Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG810638884

Shape and cutting style on the report: Round brilliant

Certificate IGI LG810638884

Diamond specifications and retailer prices

From $404 USD
As of October 29, 2026
Save $3,996 USD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,400 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG810638884 or 810638884. Listed at 25 retailers as of October 29, 2026, with prices from $404 to $4,400, a $3,996 spread on the same certified stone. Brilliant Earth lists it at $4,400. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810638884
Dimensions7.36 × 7.39 × 4.53 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
7.36 mm7.39 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810638884
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.4%

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: $781 USD|Low: $404 USD|High: $2,228 USD|Avg: $1,068 USD|-2.5%
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Retailer 23
October 31, 2026
Retailer 23$404 USD
Retailer 16$452 USD
Retailer 11$453 USD
Retailer 3$501 USD
Retailer 14$501 USD
Retailer 15$563 USD
Retailer 17$643 USD
Retailer 22$650 USD
Retailer 2$672 USD
Retailer 5$743 USD
Retailer 1$781 USD
Retailer 18$821 USD
Retailer 21$861 USD
Retailer 6$991 USD
Retailer 12$1,133 USD
Retailer 19$1,167 USD
Retailer 8$1,611 USD
Retailer 10$1,622 USD
Retailer 7$1,646 USD
Retailer 4$1,845 USD
Retailer 9$1,876 USD
Retailer 20$1,969 USD
Retailer 13$2,202 USD

22 data points across 23 retailers

25 retailers$404 USD to $4,400 USD

A
Cheapest Retailer
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$404 USD
A
Retailer 2
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$452 USD
View
Final sale: no returns
A
Retailer 3
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$453 USD
View
A
Retailer 4
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$501 USD
View
A
Retailer 5
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$501 USD
View
A
Retailer 6
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$563 USD
HK$4,400 HKD
View
A
Retailer 7
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$643 USD
£507 GBP
View
A
Retailer 8
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$650 USD
View
A
Retailer 9
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$672 USD
View
A
Retailer 10
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$743 USD
View
A
Retailer 11
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$781 USD
€744 EUR
View
A
Retailer 12
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$821 USD
£646 GBP
View
A
Retailer 13
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$861 USD
ZAR 13,911 ZAR
View
A
Retailer 14
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$991 USD
View
B+
Retailer 15
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$1,133 USD
View
B+
Retailer 16
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$1,167 USD
A$1,795 AUD
View
B+
Retailer 17
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$1,611 USD
View
B+
Retailer 18
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$1,622 USD
SGD 2,192 SGD
View
B+
Retailer 19
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$1,646 USD
View
B+
Retailer 20
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$1,778 USD
View
B
Retailer 21
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$1,845 USD
View
B+
Retailer 22
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$1,876 USD
View
B+
Retailer 23
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$1,969 USD
£1,550 GBP
View
B
Retailer 24
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$2,202 USD
View
Most Expensive
B
Brilliant Earth
20620034A · Oct 31
$4,400 USD
View
24 more retailers have this diamond
Prices start from $404 USDSave up to $3,996 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
$404 USD