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Radiant|Natural|GIA

1.50ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 7551892979

Certificate GIA 7551892979

Diamond specifications and retailer prices

From $10,343 SGD
$8,070 USD
As of October 28, 2026
Save $7,889 SGD (43%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $18,232 SGD at NZ Jewellers · As of October 27, 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 7551892979. Listed at 11 retailers as of October 27, 2026, with prices from $10,343 to $18,232, a $7,889 spread on the same certified stone. NZ Jewellers lists it at $18,232. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551892979
Dimensions7.99 × 5.68 × 3.76 mm
L/W Ratio1.41
Girdle conditionPolished
Top View
7.99 mm5.68 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551892979
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCuletDepth 66.2%

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: Oct 28
Current: $12,074 SGD|Low: $10,027 SGD|High: $17,290 SGD|Avg: $12,761 SGD|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7$10,343 SGD
Retailer 8$10,781 SGD
Retailer 4$10,938 SGD
Retailer 1$12,074 SGD
Retailer 5$13,194 SGD
Retailer 6$13,673 SGD
Retailer 3$13,724 SGD
Retailer 2$17,176 SGD

40 data points across 8 retailers

11 retailers$10,343 SGD to $18,232 SGD

B+
Cheapest Retailer
-
$10,343 SGD
$8,070 USD
B+
Retailer 2
-
$10,781 SGD
CA$11,683 CAD
View
B+
Retailer 3
-
$10,938 SGD
$8,534 USD
View
Final sale: no returns
B+
Retailer 4
-
$11,851 SGD
$9,246 USD
View
B+
Retailer 5
-
$12,033 SGD
$9,388 USD
View
B+
Retailer 6
-
$12,074 SGD
£7,418 GBP
View
B+
Retailer 7
-
$13,194 SGD
$10,294 USD
View
B
Retailer 8
-
$13,673 SGD
$10,668 USD
View
B+
Retailer 9
-
$13,724 SGD
€10,198 EUR
View
B
Retailer 10
-
$17,176 SGD
£10,552 GBP
View
Most Expensive
B
NZ Jewellers
aec22f1a-bd22-49de-8010-c898d40344e1 · Oct 27
$18,232 SGD
$14,225 USD
View
10 more retailers have this diamond
Prices start from $10,343 SGDSave up to $7,889 SGD

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+
1.50ct Radiant
$10,343 SGD