Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1555573256

Certificate GIA 1555573256

Diamond specifications and retailer prices

From HK$47,906 HKD
SGD 8,251 SGD
As of October 31, 2026
Save HK$65,819 HKD (58%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$113,725 HKD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.5ct natural radiant diamond

This 1.5ct 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 1555573256. Listed at 25 retailers as of October 31, 2026, with prices from HK$47,906 to HK$113,725, a HK$65,819 spread on the same certified stone. 77 Diamonds lists it at HK$113,725. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555573256
Dimensions7.66 × 5.72 × 3.86 mm
L/W Ratio1.34
Girdle conditionPolished
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
7.66 mm5.72 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555573256
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.4%

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: Oct 31
Current: HK$113,725 HKD|Low: HK$43,333 HKD|High: HK$113,725 HKD|Avg: HK$61,708 HKD|+116.0%
77 Diamonds
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
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 14HK$43,333 HKD
Retailer 6HK$47,906 HKD
Retailer 7HK$50,356 HKD
Retailer 8HK$53,501 HKD
Retailer 17HK$54,554 HKD
Retailer 9HK$55,393 HKD
Retailer 3HK$59,176 HKD
Retailer 15HK$62,949 HKD
Retailer 13HK$63,174 HKD
Retailer 5HK$66,225 HKD
Retailer 4HK$80,803 HKD
Retailer 12HK$81,460 HKD
Retailer 2HK$86,582 HKD
Retailer 16HK$91,242 HKD
Retailer 10HK$91,666 HKD
Retailer 11HK$92,258 HKD
77 DiamondsHK$113,725 HKD

26 data points across 17 retailers

25 retailersHK$47,906 HKD to HK$113,725 HKD

Retailer 1
-
HK$40,574 HKD
Price last confirmed 13 days ago
Retailer 2
-
HK$43,333 HKD
₹525,993 INR
View
Price last confirmed 12 days ago
Retailer 3
-
HK$45,421 HKD
$5,789 USD
View
Price last confirmed 18 days ago
Retailer 4
-
HK$46,693 HKD
SGD 8,042 SGD
View
Price last confirmed 19 days ago
A
Retailer 5
-
HK$47,906 HKD
SGD 8,251 SGD
View
B+
Retailer 6
-
HK$49,807 HKD
$6,348 USD
View
Retailer 7
-
HK$49,823 HKD
$6,350 USD
View
Price last confirmed 12 days ago
Retailer 8
-
HK$50,356 HKD
$6,418 USD
View
Price last confirmed 17 days ago
Retailer 9
-
HK$53,501 HKD
A$10,491 AUD
View
Price last confirmed 29 days ago
Retailer 10
-
HK$54,554 HKD
$6,953 USD
View
Price last confirmed 13 days ago
Retailer 11
-
HK$55,393 HKD
$7,060 USD
View
Price last confirmed 17 days ago
B+
Retailer 12
-
HK$55,579 HKD
A$10,898 AUD
View
Retailer 13
-
HK$55,814 HKD
$7,114 USD
View
Price last confirmed 15 days ago
Retailer 14
-
HK$56,751 HKD
$7,233 USD
View
Price last confirmed 13 days ago
Retailer 15
-
HK$62,949 HKD
$8,023 USD
View
Price last confirmed 12 days ago
Retailer 16
-
HK$66,225 HKD
ZAR 136,357 ZAR
View
Price last confirmed 16 days ago
Retailer 17
-
HK$67,610 HKD
$8,617 USD
View
Price last confirmed 62 days ago
Retailer 18
-
HK$80,803 HKD
£8,109 GBP
View
Price last confirmed 12 days ago
Retailer 19
-
HK$81,460 HKD
£8,175 GBP
View
Price last confirmed 11 days ago
B
Retailer 20
-
HK$86,582 HKD
$11,035 USD
View
Retailer 21
-
HK$91,242 HKD
$11,629 USD
View
Price last confirmed 12 days ago
B
Retailer 22
-
HK$91,666 HKD
$11,683 USD
View
B
Retailer 23
-
HK$92,258 HKD
$11,759 USD
View
B
Retailer 24
-
HK$92,923 HKD
A$18,220 AUD
View
Most Expensive
C
77 Diamonds
RADZ3QGUKXE8 · Nov 2
HK$113,725 HKD
£11,413 GBP
View
24 more retailers have this diamond
Prices start from HK$47,906 HKDSave up to HK$65,819 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$47,906 HKD