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Radiant|Natural|GIA

2.51ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 5553029958

Certificate GIA 5553029958

Diamond specifications and retailer prices

From $39,533 NZD
₹2,114,577 INR
As of October 25, 2026
Save $7,198 NZD (15%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $46,730 NZD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553029958. Listed at 4 retailers as of October 25, 2026, with prices from $39,533 to $46,730, a $7,198 spread on the same certified stone. 77 Diamonds lists it at $46,730. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553029958
Dimensions8.94 × 6.88 × 4.72 mm
L/W Ratio1.30
Top View
8.94 mm6.88 mm2.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5553029958
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $46,730 NZD|Low: $39,442 NZD|High: $47,204 NZD|Avg: $43,300 NZD|+1.4%
77 Diamonds
Retailer 2
October 30, 2026
Retailer 2$39,533 NZD
77 Diamonds$46,730 NZD

46 data points across 2 retailers

4 retailers$39,533 NZD to $46,730 NZD

A
Cheapest Retailer
-
$39,533 NZD
₹2,114,577 INR
A
Retailer 2
-
$40,132 NZD
CA$31,305 CAD
View
A
Retailer 3
-
$40,446 NZD
A$34,948 AUD
View
Most Expensive
A
77 Diamonds
RADMBTEETTSST · Oct 30
$46,730 NZD
£20,666 GBP
View
3 more retailers have this diamond
Prices start from $39,533 NZDSave up to $7,198 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
$39,533 NZD