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Round|Lab Grown|IGI

2.55ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG781634057

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781634057

Diamond specifications and retailer prices

From $633 AUD
$445 USD
As of October 26, 2026
Save $2,305 AUD (78%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $8,318 AUD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 2.55ct lab-grown round diamond

This 2.55ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG781634057 or 781634057. Listed at 26 retailers as of October 26, 2026, with a 364% 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

2.55
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781634057
Dimensions8.85 × 8.75 × 5.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.85 mm8.75 mm2.55 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781634057
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.0%

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 26
Current: $8,318 AUD|Low: $874 AUD|High: $8,318 AUD|Avg: $2,088 AUD
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
October 29, 2026
Retailer 12$874 AUD
Retailer 11$1,052 AUD
Retailer 7$1,055 AUD
Retailer 8$1,233 AUD
Retailer 10$1,289 AUD
Retailer 4$1,290 AUD
Retailer 13$1,756 AUD
Retailer 9$1,894 AUD
Retailer 14$1,895 AUD
Retailer 6$2,503 AUD
Retailer 5$2,539 AUD
Retailer 2$2,900 AUD
Retailer 3$2,938 AUD
Brilliant Earth$8,318 AUD

40 data points across 14 retailers

26 retailers$633 AUD to $2,938 AUD

A
Retailer 1
-
$633 AUD
$445 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$633 AUD
$445 USD
View
A
Retailer 3
-
$708 AUD
$498 USD
View
Final sale: no returns
A
Retailer 4
-
$775 AUD
$545 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$785 AUD
$552 USD
View
A
Retailer 6
-
$785 AUD
$552 USD
View
A
Retailer 7
-
$874 AUD
HK$4,800 HKD
View
B+
Retailer 8
-
$1,052 AUD
$740 USD
View
A
Retailer 9
-
$1,052 AUD
$740 USD
View
A
Retailer 10
-
$1,055 AUD
£584 GBP
View
A
Retailer 11
-
$1,233 AUD
€826 EUR
View
A
Retailer 12
-
$1,289 AUD
£714 GBP
View
A
Retailer 13
-
$1,290 AUD
$907 USD
View
B+
Retailer 14
-
$1,716 AUD
$1,207 USD
View
B+
Retailer 15
-
$1,756 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$1,894 AUD
ZAR 21,517 ZAR
View
B+
Retailer 17
-
$1,895 AUD
$1,333 USD
View
B+
Retailer 18
-
$1,948 AUD
$1,370 USD
View
Price last confirmed 43 days ago
B+
Retailer 19
-
$2,524 AUD
$1,775 USD
View
B+
Retailer 20
-
$2,539 AUD
SGD 2,413 SGD
View
B+
Retailer 21
-
$2,554 AUD
$1,796 USD
View
B+
Retailer 22
-
$2,570 AUD
$1,808 USD
View
B
Retailer 23
-
$2,810 AUD
$1,976 USD
View
B+
Retailer 24
-
$2,900 AUD
£1,606 GBP
View
B+
Retailer 25
-
$2,938 AUD
$2,066 USD
View
Most Expensive
B
Brilliant Earth
20979871A · Oct 16
$8,318 AUD
$5,850 USD
View
Price under review
25 more retailers have this diamond
Prices start from $633 AUDSave up to $2,305 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
2.55ct Round
$633 AUD