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Round|Lab Grown|IGI

2.51ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG720508164

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720508164

Diamond specifications and retailer prices

From $507 USD
As of October 29, 2026
Save $2,133 USD (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,426 USD at Rare Carat · As of July 12, 2026
View at Rare Carat

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 LG720508164 or 720508164. Listed at 26 retailers as of October 29, 2026, with a 421% 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 angle33.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720508164
Dimensions8.75 × 8.82 × 5.28 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
8.75 mm8.82 mm2.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720508164
Side View
Table 59.0%Crown 33.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.1%

Caratlytics Score

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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 29
Current: $1,041 USD|Low: $507 USD|High: $2,846 USD|Avg: $1,305 USD|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 17$507 USD
Retailer 13$567 USD
Retailer 16$568 USD
Retailer 3$629 USD
Retailer 5$798 USD
Retailer 7$885 USD
Retailer 14$885 USD
Retailer 11$963 USD
Retailer 8$987 USD
Retailer 1$1,041 USD
Retailer 15$1,407 USD
Retailer 12$1,518 USD
Retailer 4$1,623 USD
Retailer 2$1,654 USD
Retailer 9$2,333 USD
Retailer 6$2,481 USD
Retailer 10$2,640 USD

32 data points across 17 retailers

26 retailers$507 USD to $2,640 USD

A
Cheapest Retailer
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$507 USD
A
Retailer 2
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$567 USD
View
Final sale: no returns
A
Retailer 3
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$568 USD
View
A
Retailer 4
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$629 USD
View
A
Retailer 5
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$717 USD
HK$5,600 HKD
View
A
Retailer 6
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$798 USD
£628 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
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$885 USD
View
A
Retailer 8
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$885 USD
View
A
Retailer 9
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$891 USD
View
A
Retailer 10
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$963 USD
€917 EUR
View
A
Retailer 11
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$987 USD
A$1,518 AUD
View
A
Retailer 12
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$1,041 USD
£820 GBP
View
B+
Retailer 13
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$1,384 USD
View
B+
Retailer 14
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$1,407 USD
A$2,165 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
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$1,469 USD
View
B+
Retailer 16
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$1,518 USD
ZAR 24,522 ZAR
View
B+
Retailer 17
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$1,623 USD
View
B+
Retailer 18
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$1,654 USD
View
B
Retailer 19
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$2,047 USD
View
B
Retailer 20
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$2,088 USD
SGD 2,821 SGD
View
B
Retailer 21
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$2,169 USD
View
B
Retailer 22
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$2,174 USD
View
B
Retailer 23
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$2,333 USD
View
B
Retailer 24
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$2,481 USD
A$3,817 AUD
View
Price last confirmed 21 days ago
B
Retailer 25
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$2,640 USD
£2,079 GBP
View
Most Expensive
B
Rare Carat
38515-1189-30 · Jul 12
$3,426 USD
View
Price last confirmed 109 days ago
25 more retailers have this diamond
Prices start from $507 USDSave up to $2,133 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
$507 USD