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Heart|Lab Grown|IGI

2.51ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG642475840

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG642475840

Diamond specifications and retailer prices

From $621 AUD
$436 USD
As of October 24, 2026
Save $1,979 AUD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,701 AUD at MOH London · As of October 18, 2026
View at MOH London

About this 2.51ct lab-grown heart diamond

This 2.51ct lab-grown heart sits in the two to three carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG642475840 or 642475840. Listed at 16 retailers as of October 24, 2026, with a 319% 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
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642475840
Dimensions8.44 × 9.43 × 5.20 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm9.43 mm2.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG642475840
Side View
Table 60.0%Crown 36.8°Girdle: STK-VTKPavilion 39.3°Culet: NoneDepth 55.1%

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 24
Current: $2,701 AUD|Low: $441 AUD|High: $2,719 AUD|Avg: $1,426 AUD|+0.5%
MOH London
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
Retailer 17
October 26, 2026
Retailer 14$555 AUD
Retailer 6$619 AUD
Retailer 3$621 AUD
Retailer 4$688 AUD
Retailer 15$688 AUD
Retailer 11$826 AUD
Retailer 13$925 AUD
Retailer 5$1,092 AUD
Retailer 2$1,223 AUD
Retailer 7$1,240 AUD
Retailer 10$1,644 AUD
Retailer 12$1,929 AUD
Retailer 17$2,211 AUD
Retailer 8$2,264 AUD
Retailer 9$2,561 AUD
Retailer 16$2,599 AUD
MOH London$2,701 AUD

39 data points across 17 retailers

16 retailers$621 AUD to $2,599 AUD

Retailer 1
-
$555 AUD
$390 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$621 AUD
$436 USD
View
A
Retailer 3
-
$688 AUD
$483 USD
View
A
Retailer 4
-
$688 AUD
$483 USD
View
A
Retailer 5
-
$826 AUD
$580 USD
View
B+
Retailer 6
-
$925 AUD
$650 USD
View
A
Retailer 7
-
$1,092 AUD
$767 USD
View
A
Retailer 8
-
$1,223 AUD
£676 GBP
View
B+
Retailer 9
-
$1,240 AUD
$871 USD
View
Retailer 10
-
$1,644 AUD
ZAR 18,658 ZAR
View
Price last confirmed 7 days ago
B
Retailer 11
-
$1,929 AUD
$1,355 USD
View
B
Retailer 12
-
$2,211 AUD
$1,553 USD
View
B
Retailer 13
-
$2,264 AUD
$1,590 USD
View
B
Retailer 14
-
$2,561 AUD
$1,799 USD
View
B
Retailer 15
-
$2,599 AUD
$1,826 USD
View
Most Expensive
MOH London
LG642475840 · Oct 18
$2,701 AUD
£1,494 GBP
View
Price last confirmed 13 days ago
15 more retailers have this diamond
Prices start from $621 AUDSave up to $1,979 AUD

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 Heart
$621 AUD