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Oval|Lab Grown|GCAL

2.57ct G SI1 Oval Lab Grown Diamond

VG • G/SI1 • GCAL 323000294

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 323000294

Diamond specifications and retailer prices

From $353 USD
As of October 29, 2026
Save $2,777 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,130 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 2.57ct lab-grown oval diamond

This 2.57ct lab-grown oval sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 323000294. Listed at 17 retailers as of October 29, 2026, with prices from $353 to $3,130, a $2,777 spread on the same certified stone. Do Amore Diamonds lists it at $3,130. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.57
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 323000294
Dimensions10.89 × 7.78 × 4.83 mm
L/W Ratio1.40
Culet sizeNone
Top View
10.89 mm7.78 mm2.57 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 323000294
Side View
Table 60.0%Crown 36.2°Girdle: VTN-THKPavilion 40.4°Culet: NoneDepth 62.1%

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: $3,130 USD|Low: $315 USD|High: $3,130 USD|Avg: $1,037 USD|+4.3%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 14$353 USD
Retailer 5$395 USD
Retailer 8$406 USD
Retailer 12$409 USD
Retailer 4$437 USD
Retailer 6$648 USD
Retailer 15$666 USD
Retailer 10$726 USD
Retailer 2$770 USD
Retailer 13$1,445 USD
Retailer 9$1,497 USD
Retailer 16$1,551 USD
Retailer 7$1,704 USD
Retailer 3$1,707 USD
Retailer 11$1,888 USD
Do Amore Diamonds$3,130 USD

41 data points across 16 retailers

17 retailers$353 USD to $3,130 USD

Retailer 1
-
$328 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$353 USD
View
A
Retailer 3
-
$395 USD
View
Final sale: no returns
Retailer 4
-
$401 USD
View
Price last confirmed 39 days ago
B+
Retailer 5
-
$409 USD
View
B+
Retailer 6
-
$437 USD
View
B+
Retailer 7
-
$648 USD
View
B+
Retailer 8
-
$653 USD
View
B+
Retailer 9
-
$666 USD
View
B+
Retailer 10
-
$770 USD
£606 GBP
View
B
Retailer 11
-
$1,445 USD
CA$2,008 CAD
View
B
Retailer 12
-
$1,497 USD
£1,179 GBP
View
B
Retailer 13
-
$1,551 USD
View
B
Retailer 14
-
$1,704 USD
View
B
Retailer 15
-
$1,707 USD
View
B
Retailer 16
-
$1,888 USD
£1,487 GBP
View
Most Expensive
C
Do Amore Diamonds
27-AE11B7768 · Nov 1
$3,130 USD
View
16 more retailers have this diamond
Prices start from $353 USDSave up to $2,777 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
2.57ct Oval
$353 USD