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Radiant|Natural|GIA

2.81ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 2171635458

Certificate GIA 2171635458

Diamond specifications and retailer prices

From $25,372 USD
CA$35,239 CAD
As of October 30, 2026
Save $16,291 USD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $41,664 USD at MOH London · As of November 1, 2026
View at MOH London

About this 2.81ct natural radiant diamond

This 2.81ct natural radiant sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2171635458. Listed at 13 retailers as of October 30, 2026, with prices from $25,372 to $41,664, a $16,291 spread on the same certified stone. MOH London lists it at $41,664. 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

2.81
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2171635458
Dimensions9.05 × 6.97 × 4.85 mm
L/W Ratio1.30
Top View
9.05 mm6.97 mm2.81 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2171635458
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 69.5%

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: Oct 30
Current: $41,664 USD|Low: $25,372 USD|High: $41,887 USD|Avg: $29,798 USD|-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
Retailer 13
Retailer 14
November 2, 2026
Retailer 8$25,372 USD
Retailer 13$25,531 USD
Retailer 7$27,399 USD
Retailer 4$27,596 USD
Retailer 11$27,789 USD
Retailer 3$28,470 USD
Retailer 5$28,470 USD
Retailer 9$29,293 USD
Retailer 6$29,420 USD
Retailer 14$30,511 USD
Retailer 10$31,463 USD
Retailer 2$31,551 USD
Retailer 12$31,745 USD
MOH London$41,664 USD

16 data points across 14 retailers

13 retailers$25,372 USD to $41,664 USD

A
Cheapest Retailer
-
$25,372 USD
CA$35,239 CAD
A
Retailer 2
-
$25,531 USD
View
A
Retailer 3
-
$27,399 USD
£21,574 GBP
View
A
Retailer 4
-
$27,596 USD
View
A
Retailer 5
-
$27,789 USD
View
B+
Retailer 6
-
$28,470 USD
View
B+
Retailer 7
-
$28,470 USD
View
B+
Retailer 8
-
$29,293 USD
View
B+
Retailer 9
-
$29,420 USD
View
B+
Retailer 10
-
$31,463 USD
View
B+
Retailer 11
-
$31,551 USD
€30,049 EUR
View
B+
Retailer 12
-
$31,745 USD
View
Most Expensive
B
MOH London
66444B094 · Nov 1
$41,664 USD
£32,806 GBP
View
12 more retailers have this diamond
Prices start from $25,372 USDSave up to $16,291 USD

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
2.81ct Radiant
$25,372 USD