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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 £563 GBP
$755 USD
As of October 30, 2026
Save £1,908 GBP (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £5,680 GBP 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 29, 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
Colour
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

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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 30
Current: £5,680 GBP|Low: £483 GBP|High: £5,680 GBP|Avg: £1,336 GBP
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 30, 2026
Retailer 4£503 GBP
Retailer 7£584 GBP
Retailer 16£584 GBP
Retailer 2£783 GBP
Retailer 8£834 GBP
Retailer 14£836 GBP
Retailer 13£901 GBP
Retailer 9£931 GBP
Retailer 12£1,035 GBP
Retailer 3£1,304 GBP
Retailer 15£1,384 GBP
Retailer 11£1,505 GBP
Retailer 6£1,881 GBP
Retailer 5£1,921 GBP
Retailer 10£2,471 GBP
Brilliant Earth£5,680 GBP

31 data points across 16 retailers

26 retailers£563 GBP to £2,471 GBP

Retailer 1
-
£503 GBP
$674 USD
Price last confirmed 20 days ago
Retailer 2
-
£547 GBP
$733 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£563 GBP
$755 USD
View
Final sale: no returns
Retailer 4
-
£584 GBP
$782 USD
View
Price last confirmed 28 days ago
Retailer 5
-
£584 GBP
$782 USD
View
Price last confirmed 13 days ago
Retailer 6
-
£584 GBP
$782 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
£783 GBP
View
A
Retailer 8
-
£794 GBP
$1,064 USD
View
A
Retailer 9
-
£834 GBP
$1,118 USD
View
A
Retailer 10
-
£836 GBP
$1,120 USD
View
B+
Retailer 11
-
£901 GBP
A$1,858 AUD
View
B+
Retailer 12
-
£931 GBP
View
B+
Retailer 13
-
£1,035 GBP
€1,321 EUR
View
B+
Retailer 14
-
£1,075 GBP
$1,440 USD
View
B+
Retailer 15
-
£1,304 GBP
$1,747 USD
View
Retailer 16
-
£1,384 GBP
A$2,853 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
£1,505 GBP
ZAR 32,582 ZAR
View
Retailer 18
-
£1,640 GBP
$2,198 USD
View
Price last confirmed 23 days ago
B
Retailer 19
-
£1,881 GBP
$2,520 USD
View
Retailer 20
-
£1,921 GBP
A$3,960 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
-
£1,962 GBP
SGD 3,552 SGD
View
B
Retailer 22
-
£1,990 GBP
$2,667 USD
View
B
Retailer 23
-
£2,013 GBP
$2,697 USD
View
B
Retailer 24
-
£2,020 GBP
$2,706 USD
View
B
Retailer 25
-
£2,471 GBP
View
Most Expensive
Brilliant Earth
19705661A · Oct 16
£5,680 GBP
$7,610 USD
View
Price under review
25 more retailers have this diamond
Prices start from £563 GBPSave up to £1,908 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
£563 GBP