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Round|Lab Grown|GCAL

2.57ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • GCAL 331110439

Shape and cutting style on the report: Round brilliant

Certificate GCAL 331110439

Diamond specifications and retailer prices

From €309 EUR
$345 USD
As of October 29, 2026
Save €2,439 EUR (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,748 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 2.57ct lab-grown round diamond

This 2.57ct 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 331110439. Listed at 13 retailers as of October 29, 2026, with prices from €309 to €2,748, a €2,439 spread on the same certified stone. Do Amore Diamonds lists it at €2,748. 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

2.57
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 331110439
Dimensions8.78 × 8.80 × 5.43 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.78 mm8.80 mm2.57 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 331110439
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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 29
Current: €2,748 EUR|Low: €277 EUR|High: €2,748 EUR|Avg: €1,028 EUR|+4.1%
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
November 1, 2026
Retailer 9€309 EUR
Retailer 13€346 EUR
Retailer 3€383 EUR
Retailer 4€568 EUR
Retailer 10€598 EUR
Retailer 7€636 EUR
Retailer 8€1,266 EUR
Retailer 6€1,312 EUR
Retailer 12€1,360 EUR
Retailer 11€1,495 EUR
Retailer 5€1,498 EUR
Retailer 2€1,653 EUR
Do Amore Diamonds€2,748 EUR

33 data points across 13 retailers

13 retailers€309 EUR to €2,748 EUR

A
Cheapest Retailer
-
€309 EUR
$345 USD
A
Retailer 2
-
€346 EUR
$387 USD
View
Final sale: no returns
A
Retailer 3
-
€383 EUR
$428 USD
View
B+
Retailer 4
-
€568 EUR
$635 USD
View
A
Retailer 5
-
€572 EUR
$639 USD
View
A
Retailer 6
-
€598 EUR
$668 USD
View
A
Retailer 7
-
€1,266 EUR
CA$1,964 CAD
View
A
Retailer 8
-
€1,312 EUR
£1,154 GBP
View
A
Retailer 9
-
€1,360 EUR
$1,519 USD
View
B+
Retailer 10
-
€1,495 EUR
$1,670 USD
View
B+
Retailer 11
-
€1,498 EUR
$1,674 USD
View
A
Retailer 12
-
€1,653 EUR
£1,454 GBP
View
Most Expensive
B+
Do Amore Diamonds
27-AE12FBD94 · Nov 1
€2,748 EUR
$3,070 USD
View
12 more retailers have this diamond
Prices start from €309 EURSave up to €2,439 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
2.57ct Round
€309 EUR