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Radiant|Natural|GIA

2.51ct I SI1 Radiant Natural Diamond

VG • I/SI1 • GIA 2566503696

Certificate GIA 2566503696

Diamond specifications and retailer prices

From $32,366 NZD
CA$25,292 CAD
As of November 2, 2026
Save $20,928 NZD (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $53,294 NZD at MOH London · As of November 2, 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 2566503696. Listed at 9 retailers as of November 2, 2026, with prices from $32,366 to $53,294, a $20,928 spread on the same certified stone. MOH London lists it at $53,294. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566503696
Dimensions8.59 × 6.77 × 4.73 mm
L/W Ratio1.27
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.59 mm6.77 mm2.51 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566503696
Side View
Table 73.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.9%

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 2
Current: $53,294 NZD|Low: $32,366 NZD|High: $53,578 NZD|Avg: $40,366 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 3$32,366 NZD
Retailer 9$32,569 NZD
Retailer 2$35,495 NZD
Retailer 6$37,370 NZD
Retailer 5$40,137 NZD
Retailer 4$40,251 NZD
Retailer 8$41,410 NZD
Retailer 7$48,343 NZD
MOH London$53,294 NZD

10 data points across 9 retailers

9 retailers$32,366 NZD to $53,294 NZD

A
Cheapest Retailer
-
$32,366 NZD
CA$25,292 CAD
A
Retailer 2
-
$32,569 NZD
$18,325 USD
View
B+
Retailer 3
-
$35,495 NZD
£15,725 GBP
View
B+
Retailer 4
-
$37,370 NZD
$21,026 USD
View
B+
Retailer 5
-
$40,137 NZD
$22,583 USD
View
B+
Retailer 6
-
$40,251 NZD
€21,569 EUR
View
Retailer 7
-
$41,410 NZD
$23,300 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$48,343 NZD
$27,200 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
4C62C121B · Nov 2
$53,294 NZD
£23,611 GBP
View
8 more retailers have this diamond
Prices start from $32,366 NZDSave up to $20,928 NZD

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
$32,366 NZD