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Round|Lab Grown|GCAL

2.55ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • GCAL 331140188

Shape and cutting style on the report: Round brilliant

Certificate GCAL 331140188

Diamond specifications and retailer prices

From $490 AUD
As of November 5, 2026
Save $3,853 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,343 AUD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 2.55ct lab-grown round diamond

This 2.55ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 331140188. Listed at 17 retailers as of November 5, 2026, with prices from $490 to $4,343, a $3,853 spread on the same certified stone. Do Amore Diamonds lists it at $4,343. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.55
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 331140188
Dimensions8.81 × 8.83 × 5.38 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.81 mm8.83 mm2.55 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 331140188
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

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: Nov 5
Current: $4,343 AUD|Low: $437 AUD|High: $4,343 AUD|Avg: $1,600 AUD|+3.8%
Do Amore Diamonds
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
November 6, 2026
Retailer 10$490 AUD
Retailer 14$549 AUD
Retailer 6$566 AUD
Retailer 3$607 AUD
Retailer 2$886 AUD
Retailer 4$900 AUD
Retailer 11$941 AUD
Retailer 9$2,004 AUD
Retailer 7$2,057 AUD
Retailer 13$2,154 AUD
Retailer 12$2,367 AUD
Retailer 5$2,376 AUD
Retailer 8$2,610 AUD
Do Amore Diamonds$4,343 AUD

33 data points across 14 retailers

17 retailers$490 AUD to $4,343 AUD

Retailer 1
-
$456 AUD
Price last confirmed 45 days ago
A
Retailer 2
-
$490 AUD
View
Retailer 3
-
$529 AUD
View
Price last confirmed 44 days ago
A
Retailer 4
-
$549 AUD
View
Final sale: no returns
Retailer 5
-
$559 AUD
View
Price last confirmed 45 days ago
A
Retailer 6
-
$607 AUD
View
A
Retailer 7
-
$886 AUD
View
B+
Retailer 8
-
$900 AUD
View
A
Retailer 9
-
$941 AUD
View
A
Retailer 10
-
$2,004 AUD
View
Retailer 11
-
$2,006 AUD
View
Price last confirmed 46 days ago
A
Retailer 12
-
$2,057 AUD
View
A
Retailer 13
-
$2,154 AUD
View
A
Retailer 14
-
$2,367 AUD
View
A
Retailer 15
-
$2,376 AUD
View
A
Retailer 16
-
$2,610 AUD
View
Most Expensive
B+
Do Amore Diamonds
27-16AE49179 · Nov 6
$4,343 AUD
$3,040 USD
View
16 more retailers have this diamond
Prices start from $490 AUDSave up to $3,853 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
$490 AUD