Oval|Lab Grown|GIA

2.57ct G SI2 Oval Lab Grown Diamond

EX • G/SI2 • GIA 7421937247

Certificate GIA 7421937247

Diamond specifications and retailer prices

From $551 USD
As of October 29, 2026
Save $2,449 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,000 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7421937247. Listed at 14 retailers as of October 29, 2026, with prices from $551 to $3,000, a $2,449 spread on the same certified stone. Brilliant Earth lists it at $3,000. 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
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7421937247
Dimensions10.98 × 7.73 × 4.82 mm
L/W Ratio1.42
Top View
10.98 mm7.73 mm2.57 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7421937247
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.3%

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: $3,000 USD|Low: $521 USD|High: $3,000 USD|Avg: $1,219 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 7$551 USD
Retailer 5$592 USD
Retailer 3$655 USD
Retailer 13$755 USD
Retailer 2$915 USD
Retailer 12$934 USD
Retailer 9$972 USD
Retailer 6$987 USD
Retailer 11$1,015 USD
Retailer 10$1,499 USD
Retailer 4$1,723 USD
Retailer 8$2,750 USD
Brilliant Earth$3,000 USD

45 data points across 13 retailers

14 retailers$551 USD to $3,000 USD

A
Cheapest Retailer
-
$551 USD
A
Retailer 2
-
$592 USD
View
A
Retailer 3
-
$655 USD
View
Retailer 4
-
$655 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$755 USD
View
Final sale: no returns
B+
Retailer 6
-
$915 USD
£720 GBP
View
B+
Retailer 7
-
$934 USD
View
B+
Retailer 8
-
$972 USD
€926 EUR
View
B+
Retailer 9
-
$987 USD
£777 GBP
View
B+
Retailer 10
-
$1,015 USD
View
B
Retailer 11
-
$1,499 USD
View
B
Retailer 12
-
$1,723 USD
View
B
Retailer 13
-
$2,750 USD
£2,165 GBP
View
Most Expensive
B
Brilliant Earth
20779771A · Oct 29
$3,000 USD
View
13 more retailers have this diamond
Prices start from $551 USDSave up to $2,449 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
$551 USD