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Round|Lab Grown|IGI

2.51ct G VVS2 Round Lab Grown Diamond

EX • G/VVS2 • IGI LG804638182

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804638182

Diamond specifications and retailer prices

From $446 AUD
$313 USD
As of October 29, 2026
Save $1,773 AUD (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,459 AUD at Brilliant Earth · As of October 18, 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 G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG804638182 or 804638182. Listed at 25 retailers as of October 26, 2026, with a 398% 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804638182
Dimensions8.61 × 8.58 × 5.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.61 mm8.58 mm2.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804638182
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.4%

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 29
Current: $3,459 AUD|Low: $441 AUD|High: $3,644 AUD|Avg: $1,383 AUD|-5.1%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 10$446 AUD
Retailer 18$498 AUD
Retailer 20$517 AUD
Retailer 4$552 AUD
Retailer 5$552 AUD
Retailer 17$776 AUD
Retailer 6$901 AUD
Retailer 13$937 AUD
Retailer 3$977 AUD
Retailer 2$982 AUD
Retailer 15$1,226 AUD
Retailer 21$1,264 AUD
Retailer 16$1,333 AUD
Retailer 8$1,429 AUD
Retailer 11$1,777 AUD
Retailer 9$1,843 AUD
Retailer 14$2,026 AUD
Retailer 7$2,213 AUD
Retailer 19$2,218 AUD
Retailer 12$2,840 AUD
Brilliant Earth$3,459 AUD

41 data points across 21 retailers

25 retailers$446 AUD to $2,218 AUD

Retailer 1
-
$441 AUD
$310 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$446 AUD
$313 USD
View
A
Retailer 3
-
$498 AUD
$350 USD
View
Final sale: no returns
A
Retailer 4
-
$517 AUD
$363 USD
View
Retailer 5
-
$541 AUD
$380 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$552 AUD
$388 USD
View
A
Retailer 7
-
$552 AUD
$388 USD
View
A
Retailer 8
-
$776 AUD
$545 USD
View
B+
Retailer 9
-
$901 AUD
$633 USD
View
A
Retailer 10
-
$937 AUD
€627 EUR
View
A
Retailer 11
-
$977 AUD
$686 USD
View
A
Retailer 12
-
$982 AUD
£543 GBP
View
A
Retailer 13
-
$1,226 AUD
View
B+
Retailer 14
-
$1,264 AUD
$888 USD
View
B+
Retailer 15
-
$1,333 AUD
ZAR 15,128 ZAR
View
B+
Retailer 16
-
$1,429 AUD
$1,004 USD
View
Retailer 17
-
$1,761 AUD
$1,237 USD
View
Price last confirmed 39 days ago
B+
Retailer 18
-
$1,777 AUD
$1,248 USD
View
B+
Retailer 19
-
$1,843 AUD
$1,294 USD
View
B+
Retailer 20
-
$2,026 AUD
$1,423 USD
View
B
Retailer 21
-
$2,106 AUD
$1,479 USD
View
B
Retailer 22
-
$2,213 AUD
$1,555 USD
View
B
Retailer 23
-
$2,218 AUD
£1,227 GBP
View
Retailer 24
-
$2,840 AUD
$1,995 USD
View
Price last confirmed 15 days ago
Most Expensive
Brilliant Earth
20527566A · Oct 18
$3,459 AUD
$2,430 USD
View
Price last confirmed 11 days ago
24 more retailers have this diamond
Prices start from $446 AUDSave up to $1,773 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 Round
$446 AUD