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Round|Lab Grown|IGI

2.51ct H VVS1 Round Lab Grown Diamond

EX • H/VVS1 • IGI LG817665494

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817665494

Diamond specifications and retailer prices

From $499 USD
HK$3,900 HKD
As of October 30, 2026
Save $1,941 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,440 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817665494 or 817665494. Listed at 18 retailers as of October 29, 2026, with prices from $499 to $2,440, a $1,941 spread on the same certified stone. Brilliant Earth lists it at $2,440. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.51
Carat
H
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817665494
Dimensions8.86 × 8.79 × 5.25 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
8.86 mm8.79 mm2.51 ctH / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817665494
Side View
Table 61.0%Crown 33.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.5%

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 30
Current: $2,440 USD|Low: $429 USD|High: $2,520 USD|Avg: $1,098 USD|-3.2%
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
October 31, 2026
Retailer 15$429 USD
Retailer 12$499 USD
Retailer 14$580 USD
Retailer 13$602 USD
Retailer 4$725 USD
Retailer 2$786 USD
Retailer 7$844 USD
Retailer 11$954 USD
Retailer 10$1,036 USD
Retailer 8$1,052 USD
Retailer 6$1,423 USD
Retailer 3$1,454 USD
Retailer 9$1,687 USD
Retailer 5$1,913 USD
Brilliant Earth$2,440 USD

36 data points across 15 retailers

18 retailers$499 USD to $2,440 USD

Retailer 1
-
$332 USD
Price last confirmed 29 days ago
Retailer 2
-
$402 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$429 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
$499 USD
HK$3,900 HKD
View
A
Retailer 5
-
$580 USD
View
B+
Retailer 6
-
$602 USD
View
A
Retailer 7
-
$725 USD
View
A
Retailer 8
-
$786 USD
€749 EUR
View
B+
Retailer 9
-
$844 USD
View
B+
Retailer 10
-
$954 USD
A$1,468 AUD
View
B+
Retailer 11
-
$1,036 USD
ZAR 16,730 ZAR
View
B+
Retailer 12
-
$1,052 USD
View
Retailer 13
-
$1,380 USD
View
Price last confirmed 30 days ago
B
Retailer 14
-
$1,423 USD
View
B
Retailer 15
-
$1,454 USD
SGD 1,965 SGD
View
B
Retailer 16
-
$1,687 USD
£1,328 GBP
View
B
Retailer 17
-
$1,952 USD
View
Most Expensive
B
Brilliant Earth
20848525A · Oct 29
$2,440 USD
View
17 more retailers have this diamond
Prices start from $499 USDSave up to $1,941 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
2.51ct Round
$499 USD