CaratHunter
Plans
Round|Lab Grown|IGI

2.51ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG788646509

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788646509

Diamond specifications and retailer prices

From $480 USD
As of October 29, 2026
Save $2,051 USD (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $7,600 USD at Brilliant Earth · As of October 28, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788646509 or 788646509. Listed at 26 retailers as of October 29, 2026, with a 427% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788646509
Dimensions8.75 × 8.79 × 5.32 mm
L/W Ratio1.00
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
8.75 mm8.79 mm2.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788646509
Side View
Table 60.0%Crown 32.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.6%

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: $7,600 USD|Low: $480 USD|High: $7,600 USD|Avg: $1,802 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
October 29, 2026
Retailer 9$480 USD
Retailer 10$536 USD
Retailer 15$745 USD
Retailer 13$760 USD
Retailer 4$798 USD
Retailer 7$902 USD
Retailer 2$996 USD
Retailer 11$998 USD
Retailer 16$1,349 USD
Retailer 14$1,456 USD
Retailer 3$1,621 USD
Retailer 8$2,256 USD
Retailer 5$2,467 USD
Retailer 12$2,531 USD
Retailer 6$3,315 USD
Brilliant Earth$7,600 USD

32 data points across 16 retailers

26 retailers$480 USD to $2,531 USD

A
Cheapest Retailer
-
$480 USD
A
Retailer 2
-
$536 USD
View
Final sale: no returns
A
Retailer 3
-
$545 USD
View
A
Retailer 4
-
$595 USD
View
Price last confirmed 58 days ago
A
Retailer 5
-
$603 USD
View
A
Retailer 6
-
$603 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$745 USD
View
A
Retailer 8
-
$760 USD
£598 GBP
View
A
Retailer 9
-
$798 USD
View
A
Retailer 10
-
$868 USD
€827 EUR
View
A
Retailer 11
-
$902 USD
A$1,388 AUD
View
A
Retailer 12
-
$996 USD
£785 GBP
View
A
Retailer 13
-
$998 USD
€950 EUR
View
B+
Retailer 14
-
$1,245 USD
View
Price last confirmed 21 days ago
B+
Retailer 15
-
$1,349 USD
A$2,076 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$1,377 USD
View
B+
Retailer 17
-
$1,456 USD
ZAR 23,515 ZAR
View
B+
Retailer 18
-
$1,586 USD
View
B+
Retailer 19
-
$1,621 USD
View
B
Retailer 20
-
$1,967 USD
View
B
Retailer 21
-
$2,108 USD
View
B
Retailer 22
-
$2,256 USD
View
B+
Retailer 23
-
$2,467 USD
A$3,795 AUD
View
Price last confirmed 21 days ago
B+
Retailer 24
-
$2,531 USD
£1,993 GBP
View
B
Retailer 25
-
$3,315 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
20608687A · Oct 28
$7,600 USD
View
Price under review
25 more retailers have this diamond
Prices start from $480 USDSave up to $2,051 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
$480 USD