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 €307 EUR
$343 USD
As of October 29, 2026
Save €2,414 EUR (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,721 EUR 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 October 29, 2026, with prices from €307 to €2,721, a €2,414 spread on the same certified stone. Do Amore Diamonds lists it at €2,721. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €2,721 EUR|Low: €274 EUR|High: €2,721 EUR|Avg: €997 EUR|+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
October 30, 2026
Retailer 10€307 EUR
Retailer 14€344 EUR
Retailer 6€354 EUR
Retailer 3€380 EUR
Retailer 4€564 EUR
Retailer 11€590 EUR
Retailer 7€630 EUR
Retailer 9€1,256 EUR
Retailer 2€1,302 EUR
Retailer 13€1,350 EUR
Retailer 12€1,483 EUR
Retailer 5€1,489 EUR
Retailer 8€1,649 EUR
Do Amore Diamonds€2,721 EUR

32 data points across 14 retailers

17 retailers€307 EUR to €2,721 EUR

Retailer 1
-
€286 EUR
$319 USD
Price last confirmed 39 days ago
A
Retailer 2
-
€307 EUR
$343 USD
View
Retailer 3
-
€331 EUR
$370 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
€344 EUR
$384 USD
View
Final sale: no returns
Retailer 5
-
€350 EUR
$391 USD
View
Price last confirmed 40 days ago
A
Retailer 6
-
€380 EUR
$425 USD
View
B+
Retailer 7
-
€564 EUR
$630 USD
View
A
Retailer 8
-
€567 EUR
$634 USD
View
A
Retailer 9
-
€590 EUR
$659 USD
View
A
Retailer 10
-
€1,256 EUR
CA$1,949 CAD
View
Retailer 11
-
€1,257 EUR
$1,404 USD
View
Price last confirmed 40 days ago
A
Retailer 12
-
€1,302 EUR
£1,145 GBP
View
A
Retailer 13
-
€1,350 EUR
$1,508 USD
View
A
Retailer 14
-
€1,483 EUR
$1,657 USD
View
A
Retailer 15
-
€1,489 EUR
$1,663 USD
View
A
Retailer 16
-
€1,649 EUR
£1,451 GBP
View
Most Expensive
B+
Do Amore Diamonds
27-16AE49179 · Nov 1
€2,721 EUR
$3,040 USD
View
16 more retailers have this diamond
Prices start from €307 EURSave up to €2,414 EUR

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
€307 EUR