Radiant|Natural|GIA

0.81ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 5426763283

Certificate GIA 5426763283

Diamond specifications and retailer prices

From $781 USD
HK$6,100 HKD
As of October 31, 2026
Save $1,141 USD (59%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,922 USD 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 $781 to $1,922, a $1,141 spread on the same certified stone. MOH London lists it at $1,922. 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 31
Current: $1,922 USD|Low: $768 USD|High: $2,015 USD|Avg: $1,350 USD|-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 31, 2026
Retailer 2$781 USD
Retailer 3$1,084 USD
Retailer 10$1,085 USD
Retailer 11$1,181 USD
Retailer 12$1,190 USD
Retailer 8$1,224 USD
Retailer 5$1,236 USD
Retailer 4$1,380 USD
Retailer 6$1,471 USD
Retailer 7$1,549 USD
Retailer 9$1,825 USD
MOH London$1,922 USD

42 data points across 12 retailers

13 retailers$781 USD to $1,922 USD

A
Cheapest Retailer
-
$781 USD
HK$6,100 HKD
A
Retailer 2
-
$1,084 USD
SGD 1,465 SGD
View
A
Retailer 3
-
$1,085 USD
View
A
Retailer 4
-
$1,181 USD
View
A
Retailer 5
-
$1,190 USD
View
A
Retailer 6
-
$1,224 USD
£964 GBP
View
A
Retailer 7
-
$1,236 USD
£973 GBP
View
A
Retailer 8
-
$1,331 USD
A$2,048 AUD
View
Retailer 9
-
$1,380 USD
A$2,123 AUD
View
Price last confirmed 27 days ago
A
Retailer 10
-
$1,471 USD
€1,401 EUR
View
A
Retailer 11
-
$1,549 USD
ZAR 25,032 ZAR
View
B+
Retailer 12
-
$1,825 USD
SGD 2,466 SGD
View
Most Expensive
B+
MOH London
15A271AEC · Oct 25
$1,922 USD
£1,513 GBP
View
12 more retailers have this diamond
Prices start from $781 USDSave up to $1,141 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
0.81ct Radiant
$781 USD