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Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1555573256

Certificate GIA 1555573256

Diamond specifications and retailer prices

From $5,171 USD
HK$40,400 HKD
Save $6,458 USD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $11,629 USD at NZ Jewellers
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 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 23 retailers, with prices from $5,171 to $11,629 at NZ Jewellers, a $6,458 spread on the same certified stone. 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
Color
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 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 27
Current: $11,629 USD|Low: $5,171 USD|High: $11,629 USD|Avg: $7,407 USD
NZ Jewellers
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 1, 2026
Retailer 11$5,171 USD
Retailer 14$5,883 USD
Retailer 5$5,951 USD
Retailer 6$6,042 USD
Retailer 10$6,348 USD
Retailer 7$6,350 USD
Retailer 4$6,418 USD
Retailer 20$6,631 USD
Retailer 21$6,696 USD
Retailer 16$6,790 USD
Retailer 8$6,953 USD
Retailer 17$7,060 USD
Retailer 15$7,084 USD
Retailer 9$7,114 USD
Retailer 3$7,233 USD
Retailer 13$7,455 USD
Retailer 12$8,023 USD
Retailer 2$8,167 USD
Retailer 18$8,384 USD
Retailer 19$10,262 USD
Retailer 22$10,367 USD
NZ Jewellers$11,629 USD

26 data points across 22 retailers

23 retailers$5,171 USD to $11,629 USD

A
Cheapest Retailer
-
$5,171 USD
HK$40,400 HKD
B+
Retailer 2
-
$5,883 USD
View
B+
Retailer 3
-
$5,951 USD
SGD 8,042 SGD
View
B+
Retailer 4
-
$6,042 USD
View
B+
Retailer 5
-
$6,068 USD
SGD 8,200 SGD
View
B+
Retailer 6
-
$6,348 USD
View
B+
Retailer 7
-
$6,350 USD
View
B+
Retailer 8
-
$6,418 USD
View
B+
Retailer 9
-
$6,631 USD
£5,221 GBP
View
B+
Retailer 10
-
$6,711 USD
£5,284 GBP
View
B+
Retailer 11
-
$6,790 USD
A$10,447 AUD
View
B+
Retailer 12
-
$6,953 USD
View
B+
Retailer 13
-
$7,060 USD
View
B+
Retailer 14
-
$7,084 USD
A$10,898 AUD
View
B+
Retailer 15
-
$7,114 USD
View
B+
Retailer 16
-
$7,233 USD
View
B+
Retailer 17
-
$7,455 USD
€7,100 EUR
View
B
Retailer 18
-
$8,023 USD
View
B
Retailer 19
-
$8,167 USD
₹777,790 INR
View
B
Retailer 20
-
$8,384 USD
ZAR 135,446 ZAR
View
B
Retailer 21
-
$10,262 USD
£8,080 GBP
View
B
Retailer 22
-
$10,367 USD
£8,163 GBP
View
Most Expensive
C
NZ Jewellers
0d4a4943-b300-493f-b387-e28ad2a5f321 · Sep 30
$11,629 USD
View
22 more retailers have this diamond
Prices start from $5,171 USDSave up to $6,458 USD

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.

A
1.50ct Radiant
$5,171 USD