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Radiant|Natural|GIA

1.81ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6223818491

Certificate GIA 6223818491

Diamond specifications and retailer prices

From HK$45,623 HKD
$5,815 USD
As of November 1, 2026
Save HK$34,847 HKD (43%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$80,470 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.81ct natural radiant diamond

This 1.81ct natural radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6223818491. Listed at 14 retailers as of November 1, 2026, with prices from HK$45,623 to HK$80,470, a HK$34,847 spread on the same certified stone. MOH London lists it at HK$80,470. 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

1.81
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.7°
Pavilion angle39.1°
OriginNatural
Grading LabGIA
CertificateGIA 6223818491
Dimensions6.63 × 6.55 × 4.43 mm
L/W Ratio1.01
Top View
6.63 mm6.55 mm1.81 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6223818491
Side View
Table 64.0%Crown 39.7°Girdle: ThickPavilion 39.1°Culet: NoneDepth 67.7%

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: Nov 1
Current: HK$80,470 HKD|Low: HK$45,623 HKD|High: HK$89,896 HKD|Avg: HK$59,567 HKD|-9.5%
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 14HK$45,623 HKD
Retailer 4HK$48,282 HKD
Retailer 9HK$48,290 HKD
Retailer 13HK$48,526 HKD
Retailer 12HK$51,479 HKD
Retailer 2HK$54,446 HKD
Retailer 10HK$56,043 HKD
Retailer 3HK$57,592 HKD
Retailer 5HK$57,823 HKD
Retailer 6HK$57,823 HKD
Retailer 8HK$59,542 HKD
Retailer 11HK$59,784 HKD
Retailer 7HK$70,944 HKD
MOH LondonHK$80,470 HKD

44 data points across 14 retailers

14 retailersHK$45,623 HKD to HK$80,470 HKD

A
Cheapest Retailer
-
HK$45,623 HKD
$5,815 USD
A
Retailer 2
-
HK$48,282 HKD
$6,154 USD
View
Final sale: no returns
A
Retailer 3
-
HK$48,290 HKD
$6,155 USD
View
A
Retailer 4
-
HK$48,526 HKD
$6,185 USD
View
A
Retailer 5
-
HK$51,479 HKD
$6,561 USD
View
A
Retailer 6
-
HK$54,446 HKD
£5,464 GBP
View
Retailer 7
-
HK$56,043 HKD
A$10,990 AUD
View
Price last confirmed 11 days ago
A
Retailer 8
-
HK$57,592 HKD
$7,341 USD
View
A
Retailer 9
-
HK$57,823 HKD
$7,370 USD
View
A
Retailer 10
-
HK$57,823 HKD
$7,370 USD
View
A
Retailer 11
-
HK$59,542 HKD
£5,976 GBP
View
A
Retailer 12
-
HK$59,784 HKD
$7,620 USD
View
B+
Retailer 13
-
HK$70,944 HKD
ZAR 146,080 ZAR
View
Most Expensive
B+
MOH London
D052638C8 · Nov 1
HK$80,470 HKD
£8,076 GBP
View
13 more retailers have this diamond
Prices start from HK$45,623 HKDSave up to HK$34,847 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.

A
1.81ct Radiant
HK$45,623 HKD