Round|Lab Grown|IGI

1.51ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG845663351

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845663351

Diamond specifications and retailer prices

From $256 USD
As of October 29, 2026
Save $1,161 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,460 USD at Brilliant Earth · As of October 18, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845663351 or 845663351. Listed at 19 retailers as of October 29, 2026, with a 454% 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
H
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845663351
Dimensions7.35 × 7.38 × 4.47 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
7.35 mm7.38 mm1.51 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845663351
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.8%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $1,460 USD|Low: $256 USD|High: $1,460 USD|Avg: $757 USD
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
Retailer 18
Retailer 19
October 30, 2026
Retailer 19$256 USD
Retailer 17$297 USD
Retailer 6$317 USD
Retailer 16$317 USD
Retailer 3$475 USD
Retailer 4$476 USD
Retailer 2$496 USD
Retailer 12$526 USD
Retailer 9$531 USD
Retailer 14$545 USD
Retailer 7$580 USD
Retailer 15$740 USD
Retailer 10$825 USD
Retailer 18$975 USD
Retailer 5$1,020 USD
Retailer 8$1,072 USD
Retailer 13$1,279 USD
Retailer 11$1,417 USD
Brilliant Earth$1,460 USD

13 data points across 19 retailers

19 retailers$256 USD to $1,417 USD

A
Cheapest Retailer
-
$256 USD
A
Retailer 2
-
$297 USD
View
A
Retailer 3
-
$317 USD
View
A
Retailer 4
-
$317 USD
View
A
Retailer 5
-
$475 USD
View
A
Retailer 6
-
$476 USD
View
A
Retailer 7
-
$496 USD
£391 GBP
View
A
Retailer 8
-
$526 USD
€501 EUR
View
A
Retailer 9
-
$531 USD
View
A
Retailer 10
-
$545 USD
ZAR 8,810 ZAR
View
B+
Retailer 11
-
$580 USD
View
B+
Retailer 12
-
$740 USD
A$1,138 AUD
View
Retailer 13
-
$825 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$975 USD
View
B
Retailer 15
-
$1,020 USD
View
B
Retailer 16
-
$1,072 USD
View
B
Retailer 17
-
$1,279 USD
£1,007 GBP
View
B
Retailer 18
-
$1,417 USD
View
Most Expensive
Brilliant Earth
22183961A · Oct 18
$1,460 USD
View
Price last confirmed 12 days ago
18 more retailers have this diamond
Prices start from $256 USDSave up to $1,161 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