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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 HK$2,872 HKD
$366 USD
As of October 24, 2026
Save HK$17,686 HKD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$20,558 HKD 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 HK$2,872 to HK$20,558, a HK$17,686 spread on the same certified stone. Brilliant Earth lists it at HK$20,558. 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

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 24
Current: HK$20,558 HKD|Low: HK$2,228 HKD|High: HK$20,558 HKD|Avg: HK$7,395 HKD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 23, 2026
Retailer 4HK$2,472 HKD
Retailer 11HK$2,872 HKD
Retailer 16HK$3,068 HKD
Retailer 17HK$3,068 HKD
Retailer 15HK$3,687 HKD
Retailer 18HK$4,865 HKD
Retailer 6HK$4,982 HKD
Retailer 2HK$5,363 HKD
Retailer 5HK$6,010 HKD
Retailer 8HK$6,136 HKD
Retailer 10HK$7,054 HKD
Retailer 12HK$8,992 HKD
Retailer 7HK$9,626 HKD
Retailer 3HK$9,855 HKD
Retailer 9HK$10,403 HKD
Retailer 13HK$12,357 HKD
Retailer 14HK$12,476 HKD
Brilliant EarthHK$20,558 HKD

27 data points across 18 retailers

15 retailersHK$2,872 HKD to HK$20,558 HKD

Retailer 1
-
HK$2,472 HKD
$315 USD
Price last confirmed 7 days ago
A
Retailer 2
-
HK$2,872 HKD
$366 USD
View
A
Retailer 3
-
HK$3,068 HKD
$391 USD
View
A
Retailer 4
-
HK$3,068 HKD
$391 USD
View
Retailer 5
-
HK$3,687 HKD
£370 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$4,865 HKD
$620 USD
View
B+
Retailer 7
-
HK$4,982 HKD
$635 USD
View
A
Retailer 8
-
HK$5,363 HKD
€651 EUR
View
A
Retailer 9
-
HK$6,010 HKD
$766 USD
View
B+
Retailer 10
-
HK$8,992 HKD
$1,146 USD
View
Retailer 11
-
HK$9,626 HKD
$1,227 USD
View
Price last confirmed 21 days ago
B+
Retailer 12
-
HK$9,855 HKD
$1,256 USD
View
Retailer 13
-
HK$12,357 HKD
£1,240 GBP
View
Price last confirmed 9 days ago
Retailer 14
-
HK$12,476 HKD
$1,590 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
9808581A · Oct 29
HK$20,558 HKD
$2,620 USD
View
14 more retailers have this diamond
Prices start from HK$2,872 HKDSave up to HK$17,686 HKD

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
HK$2,872 HKD