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Round|Lab Grown|IGI

2.51ct H VVS1 Round Lab Grown Diamond

EX • H/VVS1 • IGI LG841677374

Certificate IGI LG841677374

Diamond specifications and retailer prices

From £373 GBP
HK$3,900 HKD
As of October 30, 2026
Save £1,448 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,821 GBP at Brilliant Earth · As of October 29, 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 H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841677374 or 841677374. Listed at 14 retailers as of October 29, 2026, with prices from £373 to £1,821, a £1,448 spread on the same certified stone. Brilliant Earth lists it at £1,821. 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
H
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG841677374
Dimensions8.67 × 8.60 × 5.37 mm
L/W Ratio1.01
Top View
8.67 mm8.60 mm2.51 ctH / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841677374
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.4%

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 30
Current: £1,321 GBP|Low: £373 GBP|High: £1,457 GBP|Avg: £828 GBP|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 9£373 GBP
Retailer 2£448 GBP
Retailer 12£449 GBP
Retailer 10£455 GBP
Retailer 6£527 GBP
Retailer 13£634 GBP
Retailer 7£744 GBP
Retailer 8£811 GBP
Retailer 11£986 GBP
Retailer 5£1,085 GBP
Retailer 3£1,111 GBP
Retailer 1£1,321 GBP
Retailer 4£1,457 GBP

23 data points across 13 retailers

14 retailers£373 GBP to £1,821 GBP

A
Cheapest Retailer
-
£373 GBP
HK$3,900 HKD
A
Retailer 2
-
£448 GBP
$600 USD
View
B+
Retailer 3
-
£449 GBP
$602 USD
View
Retailer 4
-
£455 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£527 GBP
€672 EUR
View
B+
Retailer 6
-
£634 GBP
$850 USD
View
B+
Retailer 7
-
£744 GBP
A$1,534 AUD
View
B+
Retailer 8
-
£811 GBP
ZAR 17,553 ZAR
View
B
Retailer 9
-
£986 GBP
$1,321 USD
View
B
Retailer 10
-
£1,085 GBP
SGD 1,965 SGD
View
B
Retailer 11
-
£1,111 GBP
$1,489 USD
View
B
Retailer 12
-
£1,321 GBP
View
B
Retailer 13
-
£1,457 GBP
$1,952 USD
View
Most Expensive
B
Brilliant Earth
22181971A · Oct 29
£1,821 GBP
$2,440 USD
View
13 more retailers have this diamond
Prices start from £373 GBPSave up to £1,448 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
£373 GBP