CaratHunter
Plans
Radiant|Natural|GIA

2.51ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 1567577300

Certificate GIA 1567577300

Diamond specifications and retailer prices

From $23,769 SGD
HK$145,200 HKD
As of November 1, 2026
Save $19,688 SGD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $43,457 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1567577300. Listed at 13 retailers as of November 1, 2026, with prices from $23,769 to $43,457, a $19,688 spread on the same certified stone. MOH London lists it at $43,457. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1567577300
Dimensions8.84 × 6.77 × 4.66 mm
L/W Ratio1.31
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal
Top View
8.84 mm6.77 mm2.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567577300
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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: Nov 1
Current: $43,457 SGD|Low: $23,769 SGD|High: $43,691 SGD|Avg: $31,143 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12$23,769 SGD
Retailer 2$24,381 SGD
Retailer 4$28,296 SGD
Retailer 6$29,435 SGD
Retailer 3$29,920 SGD
Retailer 5$32,014 SGD
Retailer 11$32,135 SGD
Retailer 9$32,250 SGD
Retailer 10$33,274 SGD
Retailer 7$34,555 SGD
Retailer 8$39,421 SGD
MOH London$43,457 SGD

12 data points across 12 retailers

13 retailers$23,769 SGD to $43,457 SGD

A
Cheapest Retailer
-
$23,769 SGD
HK$145,200 HKD
A
Retailer 2
-
$24,381 SGD
₹1,815,643 INR
View
B+
Retailer 3
-
$26,366 SGD
A$31,717 AUD
View
B+
Retailer 4
-
$28,296 SGD
$22,125 USD
View
B+
Retailer 5
-
$29,435 SGD
$23,016 USD
View
Final sale: no returns
B+
Retailer 6
-
$29,920 SGD
$23,395 USD
View
B+
Retailer 7
-
$32,014 SGD
£19,711 GBP
View
B
Retailer 8
-
$32,135 SGD
$25,127 USD
View
B+
Retailer 9
-
$32,250 SGD
$25,217 USD
View
B
Retailer 10
-
$33,274 SGD
$26,018 USD
View
B
Retailer 11
-
$34,555 SGD
$27,019 USD
View
B
Retailer 12
-
$39,421 SGD
$30,824 USD
View
Most Expensive
B
MOH London
ECDD29573 · Nov 1
$43,457 SGD
£26,756 GBP
View
12 more retailers have this diamond
Prices start from $23,769 SGDSave up to $19,688 SGD

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
2.51ct Radiant
$23,769 SGD