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Radiant|Natural|GIA

1.50ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6541435684

Certificate GIA 6541435684

Diamond specifications and retailer prices

From HK$25,710 HKD
As of November 1, 2026
Save HK$27,959 HKD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$60,368 HKD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded I 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 6541435684. Listed at 19 retailers as of November 1, 2026, with a 109% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6541435684
Dimensions7.54 × 5.71 × 3.90 mm
L/W Ratio1.32
Top View
7.54 mm5.71 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6541435684
Side View
Table 69.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.4%

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$34,469 HKD|Low: HK$25,710 HKD|High: HK$56,240 HKD|Avg: HK$35,938 HKD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 11HK$25,710 HKD
Retailer 12HK$26,702 HKD
Retailer 5HK$27,373 HKD
Retailer 9HK$30,153 HKD
Retailer 3HK$33,339 HKD
Retailer 1HK$34,469 HKD
Retailer 2HK$34,648 HKD
Retailer 7HK$34,859 HKD
Retailer 4HK$37,214 HKD
Retailer 6HK$38,119 HKD
Retailer 10HK$41,416 HKD
Retailer 8HK$53,669 HKD

33 data points across 12 retailers

19 retailersHK$25,710 HKD to HK$53,669 HKD

A
Cheapest Retailer
-
HK$25,710 HKD
A
Retailer 2
-
HK$26,702 HKD
SGD 4,599 SGD
View
A
Retailer 3
-
HK$27,373 HKD
₹332,258 INR
View
A
Retailer 4
-
HK$30,153 HKD
$3,843 USD
View
A
Retailer 5
-
HK$32,106 HKD
$4,092 USD
View
A
Retailer 6
-
HK$32,130 HKD
$4,095 USD
View
Retailer 7
-
HK$33,339 HKD
SGD 5,742 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$34,058 HKD
A$6,678 AUD
View
A
Retailer 9
-
HK$34,469 HKD
£3,459 GBP
View
Retailer 10
-
HK$34,648 HKD
$4,416 USD
View
Price last confirmed 17 days ago
Retailer 11
-
HK$34,648 HKD
$4,416 USD
View
Price last confirmed 15 days ago
Retailer 12
-
HK$34,648 HKD
$4,416 USD
View
Price last confirmed 18 days ago
A
Retailer 13
-
HK$34,859 HKD
$4,443 USD
View
Retailer 14
-
HK$37,214 HKD
A$7,297 AUD
View
Price last confirmed 24 days ago
A
Retailer 15
-
HK$38,119 HKD
€4,627 EUR
View
Retailer 16
-
HK$39,984 HKD
$5,096 USD
View
Price last confirmed 15 days ago
A
Retailer 17
-
HK$41,416 HKD
ZAR 85,276 ZAR
View
B+
Retailer 18
-
HK$53,669 HKD
£5,386 GBP
View
Most Expensive
NZ Jewellers
f4b5e338-f2dd-4ab7-9904-b9e2ae9bf31d · Oct 17
HK$60,368 HKD
$7,694 USD
View
Price last confirmed 16 days ago
18 more retailers have this diamond
Prices start from HK$25,710 HKDSave up to HK$27,959 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
1.50ct Radiant
HK$25,710 HKD