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Radiant|Natural|GIA

0.81ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 1497662019

Certificate GIA 1497662019

Diamond specifications and retailer prices

From HK$12,828 HKD
$1,635 USD
As of October 28, 2026
Save HK$11,057 HKD (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$23,885 HKD at MOH London · As of November 1, 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 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 1497662019. Listed at 5 retailers as of October 28, 2026, with prices from HK$12,828 to HK$23,885, a HK$11,057 spread on the same certified stone. MOH London lists it at HK$23,885. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1497662019
Dimensions5.39 × 5.20 × 3.68 mm
L/W Ratio1.04
Top View
5.39 mm5.20 mm0.81 ctF / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 1497662019
Side View
Table 83.0%CrownGirdle: ThickPavilionCulet: NoneDepth 70.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$23,885 HKD|Low: HK$12,828 HKD|High: HK$24,174 HKD|Avg: HK$17,032 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4HK$12,828 HKD
Retailer 6HK$13,754 HKD
Retailer 8HK$15,535 HKD
Retailer 7HK$16,113 HKD
Retailer 3HK$16,312 HKD
Retailer 5HK$18,220 HKD
Retailer 2HK$19,072 HKD
MOH LondonHK$23,885 HKD

30 data points across 8 retailers

5 retailersHK$12,828 HKD to HK$23,885 HKD

B+
Cheapest Retailer
-
HK$12,828 HKD
$1,635 USD
B
Retailer 2
-
HK$16,312 HKD
£1,637 GBP
View
Retailer 3
-
HK$18,220 HKD
A$3,573 AUD
View
Price last confirmed 27 days ago
B
Retailer 4
-
HK$19,072 HKD
€2,315 EUR
View
Most Expensive
B
MOH London
0E7DCD70A · Nov 1
HK$23,885 HKD
£2,397 GBP
View
4 more retailers have this diamond
Prices start from HK$12,828 HKDSave up to HK$11,057 HKD

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.

B+
0.81ct Radiant
HK$12,828 HKD