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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 $493 AUD
As of November 5, 2026
Save $3,893 AUD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,385 AUD at Do Amore Diamonds · As of November 6, 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 November 5, 2026, with prices from $493 to $4,385, a $3,893 spread on the same certified stone. Do Amore Diamonds lists it at $4,385. 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
Colour
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: Nov 5
Current: $4,385 AUD|Low: $441 AUD|High: $4,385 AUD|Avg: $1,649 AUD|+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 6, 2026
Retailer 9$493 AUD
Retailer 13$553 AUD
Retailer 3$611 AUD
Retailer 2$893 AUD
Retailer 4$907 AUD
Retailer 10$954 AUD
Retailer 8$2,020 AUD
Retailer 6$2,073 AUD
Retailer 12$2,170 AUD
Retailer 11$2,386 AUD
Retailer 5$2,390 AUD
Retailer 7$2,637 AUD
Do Amore Diamonds$4,385 AUD

33 data points across 13 retailers

13 retailers$493 AUD to $4,385 AUD

A
Cheapest Retailer
-
$493 AUD
A
Retailer 2
-
$553 AUD
View
Final sale: no returns
A
Retailer 3
-
$611 AUD
View
A
Retailer 4
-
$893 AUD
View
B+
Retailer 5
-
$907 AUD
View
A
Retailer 6
-
$954 AUD
View
A
Retailer 7
-
$2,020 AUD
View
A
Retailer 8
-
$2,073 AUD
View
A
Retailer 9
-
$2,170 AUD
View
B+
Retailer 10
-
$2,386 AUD
View
B+
Retailer 11
-
$2,390 AUD
View
A
Retailer 12
-
$2,637 AUD
View
Most Expensive
B+
Do Amore Diamonds
27-AE12FBD94 · Nov 6
$4,385 AUD
$3,070 USD
View
12 more retailers have this diamond
Prices start from $493 AUDSave up to $3,893 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
2.57ct Round
$493 AUD