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Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 1548772947

Certificate GIA 1548772947

Diamond specifications and retailer prices

From HK$34,060 HKD
$4,341 USD
As of November 1, 2026
Save HK$34,606 HKD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$68,666 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded J 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 1548772947. Listed at 14 retailers as of November 1, 2026, with prices from HK$34,060 to HK$68,666, a HK$34,606 spread on the same certified stone. MOH London lists it at HK$68,666. 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

1.51
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle49.57°
Pavilion angle35.79°
OriginNatural
Grading LabGIA
CertificateGIA 1548772947
Dimensions7.81 × 5.66 × 3.82 mm
L/W Ratio1.38
Girdle conditionVery Thick
Key to symbols
Knot, Needle, Pinpoint
Top View
7.81 mm5.66 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1548772947
Side View
Table 69.0%Crown 49.57°Girdle: THK-VTKPavilion 35.79°Culet: NoneDepth 67.5%

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: Nov 1
Current: HK$68,666 HKD|Low: HK$36,759 HKD|High: HK$69,493 HKD|Avg: HK$46,780 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7HK$36,759 HKD
Retailer 6HK$41,098 HKD
Retailer 2HK$41,479 HKD
Retailer 3HK$42,064 HKD
Retailer 5HK$43,462 HKD
Retailer 4HK$52,994 HKD
MOH LondonHK$68,666 HKD

44 data points across 7 retailers

14 retailersHK$34,060 HKD to HK$68,666 HKD

B+
Cheapest Retailer
-
HK$34,060 HKD
$4,341 USD
B+
Retailer 2
-
HK$36,351 HKD
$4,633 USD
View
B+
Retailer 3
-
HK$36,759 HKD
$4,685 USD
View
B
Retailer 4
-
HK$41,098 HKD
$5,238 USD
View
B
Retailer 5
-
HK$41,341 HKD
$5,269 USD
View
B
Retailer 6
-
HK$41,479 HKD
£4,163 GBP
View
B+
Retailer 7
-
HK$42,064 HKD
£4,221 GBP
View
Retailer 8
-
HK$43,462 HKD
A$8,522 AUD
View
Price last confirmed 23 days ago
B
Retailer 9
-
HK$43,781 HKD
$5,580 USD
View
B
Retailer 10
-
HK$43,781 HKD
$5,580 USD
View
B
Retailer 11
-
HK$45,194 HKD
$5,760 USD
View
Retailer 12
-
HK$47,571 HKD
$6,063 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
HK$52,994 HKD
ZAR 109,114 ZAR
View
Most Expensive
B
MOH London
1725D7B22 · Nov 1
HK$68,666 HKD
£6,891 GBP
View
13 more retailers have this diamond
Prices start from HK$34,060 HKDSave up to HK$34,606 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+
1.51ct Radiant
HK$34,060 HKD