Round|Lab Grown|IGI

1.51ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG839672588

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839672588

Diamond specifications and retailer prices

From $256 USD
As of October 31, 2026
Save $954 USD (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,210 USD at Brilliant Earth · As of November 4, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839672588 or 839672588. Listed at 20 retailers as of October 31, 2026, with prices from $256 to $1,210, a $954 spread on the same certified stone. Brilliant Earth lists it at $1,210. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839672588
Dimensions7.40 × 7.45 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.45 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839672588
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,210 USD|Low: $172 USD|High: $1,390 USD|Avg: $528 USD|-12.9%
Brilliant Earth
Retailer 2
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Retailer 20
November 3, 2026
Retailer 4$179 USD
Retailer 7$208 USD
Retailer 3$222 USD
Retailer 5$222 USD
Retailer 19$256 USD
Retailer 9$300 USD
Retailer 14$346 USD
Retailer 15$381 USD
Retailer 2$386 USD
Retailer 8$437 USD
Retailer 10$482 USD
Retailer 16$516 USD
Retailer 13$525 USD
Retailer 6$713 USD
Retailer 12$738 USD
Retailer 20$760 USD
Retailer 18$767 USD
Retailer 11$881 USD
Retailer 17$1,038 USD
Brilliant Earth$1,210 USD

33 data points across 20 retailers

20 retailers$256 USD to $1,210 USD

Retailer 1
-
$179 USD
Price last confirmed 18 days ago
Retailer 2
-
$208 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$222 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$222 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$256 USD
View
B+
Retailer 6
-
$300 USD
View
A
Retailer 7
-
$346 USD
View
Retailer 8
-
$381 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$386 USD
View
A
Retailer 10
-
$437 USD
View
A
Retailer 11
-
$482 USD
View
Retailer 12
-
$516 USD
View
Price last confirmed 10 days ago
A
Retailer 13
-
$525 USD
View
Retailer 14
-
$713 USD
View
Price last confirmed 18 days ago
Retailer 15
-
$738 USD
View
Price last confirmed 7 days ago
Retailer 16
-
$760 USD
View
Price last confirmed 15 days ago
B+
Retailer 17
-
$767 USD
View
B+
Retailer 18
-
$881 USD
View
Retailer 19
-
$1,038 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21790827A · Nov 4
$1,210 USD
View
19 more retailers have this diamond
Prices start from $256 USDSave up to $954 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
$256 USD