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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 $343 USD
As of November 1, 2026
Save $2,697 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,040 USD at Do Amore Diamonds · As of November 1, 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 1, 2026, with prices from $343 to $3,040, a $2,697 spread on the same certified stone. Do Amore Diamonds lists it at $3,040. 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
Color
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 1
Current: $3,040 USD|Low: $306 USD|High: $3,040 USD|Avg: $1,112 USD|+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 2, 2026
Retailer 10$343 USD
Retailer 14$384 USD
Retailer 6$396 USD
Retailer 3$425 USD
Retailer 4$630 USD
Retailer 11$659 USD
Retailer 7$704 USD
Retailer 9$1,403 USD
Retailer 2$1,444 USD
Retailer 13$1,508 USD
Retailer 12$1,657 USD
Retailer 5$1,663 USD
Retailer 8$1,843 USD
Do Amore Diamonds$3,040 USD

32 data points across 14 retailers

17 retailers$343 USD to $3,040 USD

Retailer 1
-
$319 USD
Price last confirmed 40 days ago
A
Retailer 2
-
$343 USD
View
Retailer 3
-
$370 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
$384 USD
View
Final sale: no returns
Retailer 5
-
$391 USD
View
Price last confirmed 41 days ago
A
Retailer 6
-
$425 USD
View
B+
Retailer 7
-
$630 USD
View
A
Retailer 8
-
$634 USD
View
A
Retailer 9
-
$659 USD
View
A
Retailer 10
-
$1,403 USD
CA$1,949 CAD
View
Retailer 11
-
$1,404 USD
View
Price last confirmed 41 days ago
A
Retailer 12
-
$1,444 USD
£1,137 GBP
View
A
Retailer 13
-
$1,508 USD
View
A
Retailer 14
-
$1,657 USD
View
A
Retailer 15
-
$1,663 USD
View
A
Retailer 16
-
$1,843 USD
£1,451 GBP
View
Most Expensive
B+
Do Amore Diamonds
27-16AE49179 · Nov 1
$3,040 USD
View
16 more retailers have this diamond
Prices start from $343 USDSave up to $2,697 USD

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
$343 USD