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 £381 GBP
$507 USD
As of October 29, 2026
Save £1,602 GBP (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £2,572 GBP 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
Colour
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: £782 GBP|Low: £381 GBP|High: £2,137 GBP|Avg: £980 GBP|+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£381 GBP
Retailer 13£426 GBP
Retailer 16£427 GBP
Retailer 3£472 GBP
Retailer 5£599 GBP
Retailer 7£665 GBP
Retailer 14£665 GBP
Retailer 11£723 GBP
Retailer 8£741 GBP
Retailer 1£782 GBP
Retailer 15£1,057 GBP
Retailer 12£1,140 GBP
Retailer 4£1,219 GBP
Retailer 2£1,242 GBP
Retailer 9£1,752 GBP
Retailer 6£1,863 GBP
Retailer 10£1,983 GBP

32 data points across 17 retailers

26 retailers£381 GBP to £1,983 GBP

A
Cheapest Retailer
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£381 GBP
$507 USD
A
Retailer 2
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£426 GBP
$567 USD
View
Final sale: no returns
A
Retailer 3
-
£427 GBP
$568 USD
View
A
Retailer 4
-
£472 GBP
$629 USD
View
A
Retailer 5
-
£538 GBP
HK$5,600 HKD
View
A
Retailer 6
-
£599 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
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£665 GBP
$885 USD
View
A
Retailer 8
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£665 GBP
$885 USD
View
A
Retailer 9
-
£669 GBP
$891 USD
View
A
Retailer 10
-
£723 GBP
€917 EUR
View
A
Retailer 11
-
£741 GBP
A$1,518 AUD
View
A
Retailer 12
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£782 GBP
View
B+
Retailer 13
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£1,039 GBP
$1,384 USD
View
B+
Retailer 14
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£1,057 GBP
A$2,165 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
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£1,103 GBP
$1,469 USD
View
B+
Retailer 16
-
£1,140 GBP
ZAR 24,522 ZAR
View
B+
Retailer 17
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£1,219 GBP
$1,623 USD
View
B+
Retailer 18
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£1,242 GBP
$1,654 USD
View
B
Retailer 19
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£1,537 GBP
$2,047 USD
View
B
Retailer 20
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£1,568 GBP
SGD 2,821 SGD
View
B
Retailer 21
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£1,629 GBP
$2,169 USD
View
B
Retailer 22
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£1,633 GBP
$2,174 USD
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B
Retailer 23
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£1,752 GBP
$2,333 USD
View
B
Retailer 24
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£1,863 GBP
A$3,817 AUD
View
Price last confirmed 21 days ago
B
Retailer 25
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£1,983 GBP
View
Most Expensive
B
Rare Carat
38515-1189-30 · Jul 12
£2,572 GBP
$3,426 USD
View
Price last confirmed 109 days ago
25 more retailers have this diamond
Prices start from £381 GBPSave up to £1,602 GBP

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
£381 GBP