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Heart|Lab Grown|IGI

1.51ct H VVS1 Heart Lab Grown Diamond

ID • H/VVS1 • IGI LG628488245

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG628488245

Diamond specifications and retailer prices

From $244 USD
As of November 2, 2026
Save $1,076 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,320 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG628488245 or 628488245. Listed at 23 retailers as of November 2, 2026, with prices from $244 to $1,320, a $1,076 spread on the same certified stone. Brilliant Earth lists it at $1,320. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628488245
Dimensions6.83 × 8.07 × 4.70 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.83 mm8.07 mm1.51 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628488245
Side View
Table 59.0%Crown 36.9°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 58.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $1,320 USD|Low: $194 USD|High: $1,740 USD|Avg: $742 USD|-24.1%
Brilliant Earth
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
November 2, 2026
Retailer 12$244 USD
Retailer 14$282 USD
Retailer 9$358 USD
Retailer 13$428 USD
Retailer 3$496 USD
Retailer 7$510 USD
Retailer 10$522 USD
Retailer 15$552 USD
Retailer 16$567 USD
Retailer 17$664 USD
Retailer 6$810 USD
Retailer 11$975 USD
Retailer 8$1,023 USD
Retailer 5$1,023 USD
Retailer 4$1,197 USD
Retailer 2$1,210 USD
Brilliant Earth$1,320 USD

24 data points across 17 retailers

23 retailers$244 USD to $1,320 USD

A
Cheapest Retailer
-
$244 USD
Retailer 2
-
$244 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$244 USD
View
Price last confirmed 25 days ago
Retailer 4
-
$244 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$282 USD
View
Final sale: no returns
Retailer 6
-
$283 USD
View
Price last confirmed 35 days ago
Retailer 7
-
$298 USD
View
Price last confirmed 36 days ago
Retailer 8
-
$302 USD
View
Price last confirmed 23 days ago
Retailer 9
-
$302 USD
View
Price last confirmed 30 days ago
A
Retailer 10
-
$358 USD
HK$2,800 HKD
View
B+
Retailer 11
-
$428 USD
View
B+
Retailer 12
-
$522 USD
ZAR 8,429 ZAR
View
B+
Retailer 13
-
$552 USD
View
B+
Retailer 14
-
$567 USD
View
B+
Retailer 15
-
$664 USD
View
Retailer 16
-
$971 USD
View
Price last confirmed 23 days ago
B
Retailer 17
-
$971 USD
View
Retailer 18
-
$971 USD
View
Price last confirmed 33 days ago
B
Retailer 19
-
$975 USD
View
B
Retailer 20
-
$1,023 USD
View
B
Retailer 21
-
$1,023 USD
SGD 1,383 SGD
View
B
Retailer 22
-
$1,210 USD
£953 GBP
View
Most Expensive
B
Brilliant Earth
9949780A · Nov 2
$1,320 USD
View
22 more retailers have this diamond
Prices start from $244 USDSave up to $1,076 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 Heart
$244 USD