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Round|Lab Grown|IGI

2.51ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG788621384

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788621384

Diamond specifications and retailer prices

From $755 USD
As of October 28, 2026
Save $2,556 USD (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $7,610 USD at Brilliant Earth · As of October 16, 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 LG788621384 or 788621384. Listed at 26 retailers as of October 28, 2026, with a 339% 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 angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621384
Dimensions8.77 × 8.86 × 5.25 mm
L/W Ratio1.01
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
8.77 mm8.86 mm2.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621384
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.6%

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 28
Current: $7,610 USD|Low: $647 USD|High: $7,610 USD|Avg: $1,798 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 4$674 USD
Retailer 7$782 USD
Retailer 16$782 USD
Retailer 11$1,053 USD
Retailer 8$1,118 USD
Retailer 14$1,120 USD
Retailer 13$1,208 USD
Retailer 2$1,243 USD
Retailer 12$1,387 USD
Retailer 3$1,747 USD
Retailer 15$1,854 USD
Retailer 10$2,017 USD
Retailer 6$2,520 USD
Retailer 5$2,574 USD
Retailer 9$3,311 USD
Brilliant Earth$7,610 USD

31 data points across 16 retailers

26 retailers$755 USD to $3,311 USD

A
Retailer 1
-
$674 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$733 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$755 USD
View
Final sale: no returns
A
Retailer 4
-
$782 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$782 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$782 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$1,053 USD
£829 GBP
View
A
Retailer 8
-
$1,064 USD
View
A
Retailer 9
-
$1,118 USD
View
A
Retailer 10
-
$1,120 USD
View
B+
Retailer 11
-
$1,208 USD
A$1,858 AUD
View
B+
Retailer 12
-
$1,243 USD
£979 GBP
View
B+
Retailer 13
-
$1,387 USD
€1,321 EUR
View
B+
Retailer 14
-
$1,440 USD
View
B+
Retailer 15
-
$1,747 USD
View
B+
Retailer 16
-
$1,854 USD
A$2,853 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$2,017 USD
ZAR 32,582 ZAR
View
B+
Retailer 18
-
$2,198 USD
View
Price last confirmed 22 days ago
B
Retailer 19
-
$2,520 USD
View
B+
Retailer 20
-
$2,574 USD
A$3,960 AUD
View
Price last confirmed 21 days ago
B
Retailer 21
-
$2,628 USD
SGD 3,552 SGD
View
B
Retailer 22
-
$2,667 USD
View
B
Retailer 23
-
$2,697 USD
View
B
Retailer 24
-
$2,706 USD
View
B
Retailer 25
-
$3,311 USD
£2,607 GBP
View
Most Expensive
B
Brilliant Earth
19705661A · Oct 16
$7,610 USD
View
Price under review
25 more retailers have this diamond
Prices start from $755 USDSave up to $2,556 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
$755 USD