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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 $610 NZD
As of November 5, 2026
Save $4,798 NZD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,408 NZD 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 $610 to $5,408, a $4,798 spread on the same certified stone. Do Amore Diamonds lists it at $5,408. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,408 NZD|Low: $544 NZD|High: $5,408 NZD|Avg: $1,992 NZD|+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$610 NZD
Retailer 14$683 NZD
Retailer 6$704 NZD
Retailer 3$756 NZD
Retailer 2$1,103 NZD
Retailer 4$1,121 NZD
Retailer 11$1,172 NZD
Retailer 9$2,496 NZD
Retailer 7$2,562 NZD
Retailer 13$2,683 NZD
Retailer 12$2,948 NZD
Retailer 5$2,958 NZD
Retailer 8$3,250 NZD
Do Amore Diamonds$5,408 NZD

33 data points across 14 retailers

17 retailers$610 NZD to $5,408 NZD

Retailer 1
-
$567 NZD
Price last confirmed 45 days ago
A
Retailer 2
-
$610 NZD
View
Retailer 3
-
$658 NZD
View
Price last confirmed 44 days ago
A
Retailer 4
-
$683 NZD
View
Final sale: no returns
Retailer 5
-
$696 NZD
View
Price last confirmed 45 days ago
A
Retailer 6
-
$756 NZD
View
A
Retailer 7
-
$1,103 NZD
View
B+
Retailer 8
-
$1,121 NZD
View
A
Retailer 9
-
$1,172 NZD
View
A
Retailer 10
-
$2,496 NZD
View
Retailer 11
-
$2,498 NZD
View
Price last confirmed 46 days ago
A
Retailer 12
-
$2,562 NZD
View
A
Retailer 13
-
$2,683 NZD
View
A
Retailer 14
-
$2,948 NZD
View
A
Retailer 15
-
$2,958 NZD
View
A
Retailer 16
-
$3,250 NZD
View
Most Expensive
B+
Do Amore Diamonds
27-16AE49179 · Nov 6
$5,408 NZD
$3,040 USD
View
16 more retailers have this diamond
Prices start from $610 NZDSave up to $4,798 NZD

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
$610 NZD