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Round|Lab Grown|IGI

1.51ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG813670406

Shape and cutting style on the report: Round brilliant

Certificate IGI LG813670406

Diamond specifications and retailer prices

From $375 USD
As of October 29, 2026
Save $2,846 USD (88%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,221 USD at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813670406 or 813670406. Listed at 27 retailers as of October 29, 2026, with prices from $375 to $3,221, a $2,846 spread on the same certified stone. Yadav Diamonds lists it at $3,221. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813670406
Dimensions7.28 × 7.25 × 4.56 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.28 mm7.25 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813670406
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,093 USD|Low: $375 USD|High: $2,185 USD|Avg: $1,078 USD|-18.8%
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Retailer 25
October 30, 2026
Retailer 25$375 USD
Retailer 16$419 USD
Retailer 10$435 USD
Retailer 3$465 USD
Retailer 15$465 USD
Retailer 17$525 USD
Retailer 24$615 USD
Retailer 2$625 USD
Retailer 12$700 USD
Retailer 5$717 USD
Retailer 22$730 USD
Retailer 23$799 USD
Retailer 19$838 USD
Retailer 6$899 USD
Retailer 20$1,078 USD
Retailer 1$1,093 USD
Retailer 7$1,494 USD
Retailer 9$1,506 USD
Retailer 14$1,533 USD
Retailer 8$1,740 USD
Retailer 4$1,751 USD
Retailer 13$1,814 USD
Retailer 21$1,826 USD
Retailer 11$2,028 USD
Retailer 18$2,170 USD

21 data points across 25 retailers

27 retailers$375 USD to $3,221 USD

A
Cheapest Retailer
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$375 USD
A
Retailer 2
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$419 USD
View
Final sale: no returns
A
Retailer 3
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$435 USD
View
A
Retailer 4
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$465 USD
View
A
Retailer 5
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$465 USD
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A
Retailer 6
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$525 USD
HK$4,100 HKD
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A
Retailer 7
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$615 USD
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A
Retailer 8
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$625 USD
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A
Retailer 9
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$700 USD
£552 GBP
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A
Retailer 10
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$717 USD
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A
Retailer 11
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$730 USD
€695 EUR
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A
Retailer 12
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$799 USD
ZAR 12,902 ZAR
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A
Retailer 13
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$838 USD
£660 GBP
View
A
Retailer 14
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$899 USD
View
B+
Retailer 15
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$1,078 USD
A$1,659 AUD
View
B+
Retailer 16
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$1,093 USD
View
B+
Retailer 17
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$1,494 USD
View
B+
Retailer 18
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$1,506 USD
SGD 2,035 SGD
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B+
Retailer 19
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$1,533 USD
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B+
Retailer 20
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$1,652 USD
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B+
Retailer 21
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$1,740 USD
View
B
Retailer 22
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$1,751 USD
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B
Retailer 23
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$1,814 USD
£1,428 GBP
View
B+
Retailer 24
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$1,826 USD
£1,438 GBP
View
B
Retailer 25
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$2,028 USD
View
Retailer 26
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$2,170 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Yadav Diamonds
13053306 · Oct 30
$3,221 USD
View
26 more retailers have this diamond
Prices start from $375 USDSave up to $2,846 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Round
$375 USD