Round|Lab Grown|IGI

1.51ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG797646136

Shape and cutting style on the report: Round brilliant

Certificate IGI LG797646136

Diamond specifications and retailer prices

From $419 USD
As of October 30, 2026
Save $1,609 USD (79%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,190 USD at Rare Carat · As of September 9, 2026
View at Rare Carat

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 LG797646136 or 797646136. Listed at 26 retailers as of October 30, 2026, with a 384% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797646136
Dimensions7.32 × 7.35 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.35 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797646136
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

Caratlytics Score

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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 30
Current: $1,093 USD|Low: $419 USD|High: $2,055 USD|Avg: $1,082 USD|-18.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 9$419 USD
Retailer 10$525 USD
Retailer 17$615 USD
Retailer 18$625 USD
Retailer 11$700 USD
Retailer 3$717 USD
Retailer 14$730 USD
Retailer 16$799 USD
Retailer 12$838 USD
Retailer 4$899 USD
Retailer 13$1,078 USD
Retailer 1$1,093 USD
Retailer 6$1,506 USD
Retailer 8$1,533 USD
Retailer 5$1,740 USD
Retailer 2$1,751 USD
Retailer 15$1,826 USD
Retailer 7$2,028 USD

26 data points across 18 retailers

26 retailers$419 USD to $2,028 USD

Retailer 1
-
$379 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$419 USD
View
Final sale: no returns
Retailer 3
-
$434 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$480 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$480 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$525 USD
HK$4,100 HKD
View
A
Retailer 7
-
$615 USD
View
A
Retailer 8
-
$625 USD
View
A
Retailer 9
-
$700 USD
£552 GBP
View
A
Retailer 10
-
$717 USD
View
A
Retailer 11
-
$730 USD
€695 EUR
View
A
Retailer 12
-
$799 USD
ZAR 12,902 ZAR
View
A
Retailer 13
-
$838 USD
£660 GBP
View
A
Retailer 14
-
$899 USD
View
B+
Retailer 15
-
$1,078 USD
A$1,659 AUD
View
B+
Retailer 16
-
$1,093 USD
View
B+
Retailer 17
-
$1,304 USD
View
B+
Retailer 18
-
$1,506 USD
SGD 2,035 SGD
View
Retailer 19
-
$1,511 USD
View
Price last confirmed 12 days ago
B+
Retailer 20
-
$1,533 USD
View
B+
Retailer 21
-
$1,652 USD
View
B+
Retailer 22
-
$1,740 USD
View
B
Retailer 23
-
$1,751 USD
View
B+
Retailer 24
-
$1,826 USD
£1,438 GBP
View
B
Retailer 25
-
$2,028 USD
View
Most Expensive
Rare Carat
35270594 · Sep 9
$2,190 USD
View
Price last confirmed 51 days ago
25 more retailers have this diamond
Prices start from $419 USDSave up to $1,609 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
$419 USD