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Radiant|Natural|GIA

0.81ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 5426763283

Certificate GIA 5426763283

Diamond specifications and retailer prices

From $1,073 CAD
HK$6,000 HKD
As of October 30, 2026
Save $1,611 CAD (60%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,684 CAD at MOH London · As of October 25, 2026
View at MOH London

About this 0.81ct natural radiant diamond

This 0.81ct natural radiant sits in the just-under-one-carat band, graded D 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 5426763283. Listed at 13 retailers as of October 25, 2026, with prices from $1,073 to $2,684, a $1,611 spread on the same certified stone. MOH London lists it at $2,684. 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

0.81
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5426763283
Dimensions5.14 × 5.10 × 3.49 mm
L/W Ratio1.01
Top View
5.14 mm5.10 mm0.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5426763283
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.4%

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 30
Current: $2,684 CAD|Low: $1,073 CAD|High: $2,815 CAD|Avg: $1,876 CAD|-3.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 12$1,073 CAD
Retailer 3$1,514 CAD
Retailer 9$1,515 CAD
Retailer 10$1,650 CAD
Retailer 11$1,662 CAD
Retailer 6$1,710 CAD
Retailer 2$1,726 CAD
Retailer 4$1,928 CAD
Retailer 5$2,051 CAD
Retailer 7$2,159 CAD
Retailer 8$2,549 CAD
MOH London$2,684 CAD

41 data points across 12 retailers

13 retailers$1,073 CAD to $2,684 CAD

A
Cheapest Retailer
-
$1,073 CAD
HK$6,000 HKD
A
Retailer 2
-
$1,514 CAD
SGD 1,465 SGD
View
A
Retailer 3
-
$1,515 CAD
$1,085 USD
View
A
Retailer 4
-
$1,650 CAD
$1,181 USD
View
A
Retailer 5
-
$1,662 CAD
$1,190 USD
View
A
Retailer 6
-
$1,710 CAD
£964 GBP
View
A
Retailer 7
-
$1,726 CAD
£973 GBP
View
A
Retailer 8
-
$1,860 CAD
A$2,048 AUD
View
Retailer 9
-
$1,928 CAD
A$2,123 AUD
View
Price last confirmed 26 days ago
A
Retailer 10
-
$2,051 CAD
€1,398 EUR
View
A
Retailer 11
-
$2,159 CAD
ZAR 24,970 ZAR
View
B+
Retailer 12
-
$2,549 CAD
SGD 2,466 SGD
View
Most Expensive
B+
MOH London
15A271AEC · Oct 25
$2,684 CAD
£1,513 GBP
View
12 more retailers have this diamond
Prices start from $1,073 CADSave up to $1,611 CAD

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
0.81ct Radiant
$1,073 CAD