CaratHunter
Plans
Radiant|Lab Grown|IGI

2.51ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG526271046

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

Certificate IGI LG526271046

Diamond specifications and retailer prices

From HK$15,361 HKD
As of November 6, 2026
Save HK$62,684 HKD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$95,565 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 2.51ct lab-grown radiant diamond

This 2.51ct 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 LG526271046 or 526271046. Listed at 14 retailers as of November 5, 2026, with a 408% 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

2.51
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.7°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526271046
Dimensions9.04 × 6.51 × 4.53 mm
L/W Ratio1.39
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
9.04 mm6.51 mm2.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526271046
Side View
Table 63.0%Crown 47.7°Girdle: ThickPavilion 30.4°Culet: NoneDepth 69.6%

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$47,510 HKD|Low: HK$15,361 HKD|High: HK$95,565 HKD|Avg: HK$50,282 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$15,361 HKD
Retailer 4HK$31,499 HKD
Retailer 8HK$35,276 HKD
Retailer 6HK$36,538 HKD
Retailer 1HK$47,510 HKD
Retailer 3HK$48,459 HKD
Retailer 7HK$56,578 HKD
Retailer 2HK$78,045 HKD
Reve DiamondsHK$95,565 HKD

45 data points across 9 retailers

14 retailersHK$15,361 HKD to HK$78,045 HKD

B+
Cheapest Retailer
-
HK$15,361 HKD
B
Retailer 2
-
HK$31,499 HKD
View
B
Retailer 3
-
HK$33,011 HKD
View
B
Retailer 4
-
HK$33,223 HKD
View
B
Retailer 5
-
HK$35,276 HKD
View
Final sale: no returns
B
Retailer 6
-
HK$36,538 HKD
View
Retailer 7
-
HK$36,538 HKD
View
Price last confirmed 26 days ago
B
Retailer 8
-
HK$36,953 HKD
View
B
Retailer 9
-
HK$45,653 HKD
View
B
Retailer 10
-
HK$47,510 HKD
View
B
Retailer 11
-
HK$48,459 HKD
View
B
Retailer 12
-
HK$56,578 HKD
View
B
Retailer 13
-
HK$78,045 HKD
View
Most Expensive
Reve Diamonds
E65BE2DF8 · Nov 6
HK$95,565 HKD
$12,194 USD
View
Price under review
13 more retailers have this diamond
Prices start from HK$15,361 HKDSave up to HK$62,684 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+
2.51ct Radiant
HK$15,361 HKD