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Radiant|Lab Grown|IGI

2.57ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830624738

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG830624738

Diamond specifications and retailer prices

From HK$8,144 HKD
$1,038 USD
As of October 30, 2026
Save HK$64,194 HKD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$72,337 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 2.57ct lab-grown radiant diamond

This 2.57ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830624738 or 830624738. Listed at 16 retailers as of October 29, 2026, with prices from HK$8,144 to HK$72,337, a HK$64,194 spread on the same certified stone. Do Amore Diamonds lists it at HK$72,337. 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624738
Dimensions9.80 × 6.83 × 4.48 mm
L/W Ratio1.43
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.80 mm6.83 mm2.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624738
Side View
Table 62.0%Crown 40.2°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 65.6%

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 30
Current: HK$72,337 HKD|Low: HK$8,144 HKD|High: HK$93,521 HKD|Avg: HK$37,485 HKD|-22.7%
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
Retailer 17
Retailer 18
October 30, 2026
Retailer 13HK$8,144 HKD
Retailer 3HK$8,858 HKD
Retailer 15HK$10,647 HKD
Retailer 12HK$11,023 HKD
Retailer 11HK$13,863 HKD
Retailer 14HK$15,056 HKD
Retailer 7HK$16,445 HKD
Retailer 6HK$17,530 HKD
Retailer 17HK$19,544 HKD
Retailer 16HK$19,740 HKD
Retailer 5HK$26,861 HKD
Retailer 18HK$33,539 HKD
Retailer 8HK$44,995 HKD
Retailer 2HK$49,036 HKD
Retailer 4HK$53,837 HKD
Retailer 9HK$56,387 HKD
Do Amore DiamondsHK$72,337 HKD
Retailer 10HK$73,193 HKD

34 data points across 18 retailers

16 retailersHK$8,144 HKD to HK$72,337 HKD

A
Cheapest Retailer
-
HK$8,144 HKD
$1,038 USD
A
Retailer 2
-
HK$8,858 HKD
$1,129 USD
View
A
Retailer 3
-
HK$10,647 HKD
$1,357 USD
View
A
Retailer 4
-
HK$11,023 HKD
$1,405 USD
View
A
Retailer 5
-
HK$12,475 HKD
$1,590 USD
View
A
Retailer 6
-
HK$15,056 HKD
$1,919 USD
View
A
Retailer 7
-
HK$16,445 HKD
$2,096 USD
View
Retailer 8
-
HK$17,530 HKD
€2,128 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
HK$19,544 HKD
$2,491 USD
View
A
Retailer 10
-
HK$19,740 HKD
$2,516 USD
View
B+
Retailer 11
-
HK$26,861 HKD
$3,424 USD
View
B+
Retailer 12
-
HK$33,539 HKD
£3,366 GBP
View
Retailer 13
-
HK$44,995 HKD
$5,735 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
HK$49,036 HKD
$6,250 USD
View
B
Retailer 15
-
HK$53,837 HKD
$6,862 USD
View
Most Expensive
B
Do Amore Diamonds
27-0F12B062A · Oct 29
HK$72,337 HKD
$9,220 USD
View
15 more retailers have this diamond
Prices start from HK$8,144 HKDSave up to HK$64,194 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 Radiant
HK$8,144 HKD