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Oval|Lab Grown|IGI

2.57ct H VS2 Oval Lab Grown Diamond

ID • H/VS2 • IGI LG623493891

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG623493891

Diamond specifications and retailer prices

From $521 AUD
$366 USD
As of October 24, 2026
Save $3,209 AUD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,730 AUD 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 H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623493891 or 623493891. Listed at 15 retailers as of October 24, 2026, with prices from $521 to $3,730, a $3,209 spread on the same certified stone. Brilliant Earth lists it at $3,730. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.57
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623493891
Dimensions11.01 × 7.87 × 4.86 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.01 mm7.87 mm2.57 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623493891
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.8%

Caratlytics Score

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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 24
Current: $3,730 AUD|Low: $404 AUD|High: $3,730 AUD|Avg: $1,342 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
October 23, 2026
Retailer 4$448 AUD
Retailer 11$521 AUD
Retailer 16$557 AUD
Retailer 17$557 AUD
Retailer 15$669 AUD
Retailer 18$883 AUD
Retailer 6$904 AUD
Retailer 2$973 AUD
Retailer 5$1,090 AUD
Retailer 8$1,113 AUD
Retailer 10$1,280 AUD
Retailer 12$1,631 AUD
Retailer 7$1,746 AUD
Retailer 3$1,788 AUD
Retailer 9$1,888 AUD
Retailer 13$2,242 AUD
Retailer 14$2,264 AUD
Brilliant Earth$3,730 AUD

27 data points across 18 retailers

15 retailers$521 AUD to $3,730 AUD

Retailer 1
-
$448 AUD
$315 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$521 AUD
$366 USD
View
A
Retailer 3
-
$557 AUD
$391 USD
View
A
Retailer 4
-
$557 AUD
$391 USD
View
Retailer 5
-
$669 AUD
£370 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
$883 AUD
$620 USD
View
B+
Retailer 7
-
$904 AUD
$635 USD
View
Retailer 8
-
$973 AUD
€651 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$1,090 AUD
$766 USD
View
B+
Retailer 10
-
$1,631 AUD
$1,146 USD
View
Retailer 11
-
$1,746 AUD
$1,227 USD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$1,788 AUD
$1,256 USD
View
Retailer 13
-
$2,242 AUD
£1,240 GBP
View
Price last confirmed 9 days ago
Retailer 14
-
$2,264 AUD
$1,590 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
9808581A · Oct 29
$3,730 AUD
$2,620 USD
View
14 more retailers have this diamond
Prices start from $521 AUDSave up to $3,209 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 Oval
$521 AUD