Radiant|Natural|GIA

1.50ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 2547230593

Certificate GIA 2547230593

Diamond specifications and retailer prices

From $5,120 USD
HK$40,000 HKD
As of October 29, 2026
Save $5,192 USD (50%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $11,666 USD at NZ Jewellers · As of September 20, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547230593. Listed at 24 retailers as of October 28, 2026, with a 101% 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547230593
Dimensions7.53 × 5.79 × 3.98 mm
L/W Ratio1.30
Top View
7.53 mm5.79 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2547230593
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.8%

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 29
Current: $6,511 USD|Low: $5,120 USD|High: $10,490 USD|Avg: $7,239 USD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 2$5,120 USD
Retailer 6$5,520 USD
Retailer 7$5,746 USD
Retailer 13$5,923 USD
Retailer 4$6,189 USD
Retailer 3$6,286 USD
Retailer 1$6,511 USD
Retailer 5$6,841 USD
Retailer 12$6,970 USD
Retailer 9$7,430 USD
Retailer 11$8,293 USD
Retailer 8$10,086 USD
Retailer 10$10,312 USD

28 data points across 13 retailers

24 retailers$5,120 USD to $10,312 USD

A
Cheapest Retailer
-
$5,120 USD
HK$40,000 HKD
A
Retailer 2
-
$5,520 USD
₹525,667 INR
View
A
Retailer 3
-
$5,746 USD
View
A
Retailer 4
-
$5,923 USD
View
A
Retailer 5
-
$6,032 USD
SGD 8,151 SGD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$6,189 USD
SGD 8,364 SGD
View
A
Retailer 7
-
$6,286 USD
View
Final sale: no returns
A
Retailer 8
-
$6,436 USD
View
A
Retailer 9
-
$6,440 USD
View
A
Retailer 10
-
$6,511 USD
£5,127 GBP
View
A
Retailer 11
-
$6,841 USD
A$10,524 AUD
View
Price last confirmed 25 days ago
A
Retailer 12
-
$6,967 USD
A$10,718 AUD
View
A
Retailer 13
-
$6,970 USD
View
A
Retailer 14
-
$6,975 USD
View
Price last confirmed 39 days ago
A
Retailer 15
-
$6,975 USD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$7,083 USD
View
Price last confirmed 28 days ago
A
Retailer 17
-
$7,430 USD
€7,076 EUR
View
B+
Retailer 18
-
$8,048 USD
View
Price last confirmed 40 days ago
B+
Retailer 19
-
$8,048 USD
View
Price last confirmed 30 days ago
B+
Retailer 20
-
$8,293 USD
ZAR 133,967 ZAR
View
B+
Retailer 21
-
$10,086 USD
£7,942 GBP
View
B+
Retailer 22
-
$10,312 USD
£8,120 GBP
View
B
Retailer 23
-
$11,666 USD
View
Price last confirmed 29 days ago
Most Expensive
B
NZ Jewellers
b5e8953e-f486-4d9f-a63e-4508070fa6ba · Sep 20
$11,666 USD
View
Price last confirmed 38 days ago
23 more retailers have this diamond
Prices start from $5,120 USDSave up to $5,192 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.50ct Radiant
$5,120 USD