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Radiant|Lab Grown|IGI

2.50ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG517202271

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

Certificate IGI LG517202271

Diamond specifications and retailer prices

From HK$17,007 HKD
As of November 6, 2026
Save HK$60,748 HKD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$95,205 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 2.5ct lab-grown radiant diamond

This 2.5ct lab-grown radiant sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517202271 or 517202271. Listed at 14 retailers as of November 5, 2026, with a 357% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.7°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517202271
Dimensions8.56 × 6.69 × 4.67 mm
L/W Ratio1.28
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
8.56 mm6.69 mm2.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517202271
Side View
Table 68.0%Crown 48.7°Girdle: MED-STKPavilion 31°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$47,322 HKD|Low: HK$17,007 HKD|High: HK$95,205 HKD|Avg: HK$50,458 HKD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Reve Diamonds
November 7, 2026
Retailer 5HK$17,007 HKD
Retailer 4HK$31,381 HKD
Retailer 8HK$35,135 HKD
Retailer 6HK$36,397 HKD
Retailer 1HK$47,322 HKD
Retailer 3HK$48,271 HKD
Retailer 7HK$56,374 HKD
Retailer 2HK$77,755 HKD
Reve DiamondsHK$95,205 HKD

45 data points across 9 retailers

14 retailersHK$17,007 HKD to HK$77,755 HKD

B+
Cheapest Retailer
-
HK$17,007 HKD
B
Retailer 2
-
HK$31,381 HKD
View
B
Retailer 3
-
HK$32,886 HKD
View
B
Retailer 4
-
HK$33,090 HKD
View
B
Retailer 5
-
HK$35,135 HKD
View
Final sale: no returns
B
Retailer 6
-
HK$36,397 HKD
View
Retailer 7
-
HK$36,397 HKD
View
Price last confirmed 26 days ago
B
Retailer 8
-
HK$36,836 HKD
View
B
Retailer 9
-
HK$45,480 HKD
View
B
Retailer 10
-
HK$47,322 HKD
View
B
Retailer 11
-
HK$48,271 HKD
View
B
Retailer 12
-
HK$56,374 HKD
View
B
Retailer 13
-
HK$77,755 HKD
View
Most Expensive
Reve Diamonds
3AD94A70C · Nov 6
HK$95,205 HKD
$12,148 USD
View
Price under review
13 more retailers have this diamond
Prices start from HK$17,007 HKDSave up to HK$60,748 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.

B+
2.50ct Radiant
HK$17,007 HKD