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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1538231733

Certificate GIA 1538231733

Diamond specifications and retailer prices

From $4,827 SGD
HK$29,500 HKD
As of October 31, 2026
Save $6,392 SGD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,219 SGD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1538231733. Listed at 20 retailers as of October 28, 2026, with prices from $4,827 to $11,219, a $6,392 spread on the same certified stone. Queensmith lists it at $11,219. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1538231733
Dimensions7.29 × 7.22 × 4.60 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural
Top View
7.29 mm7.22 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1538231733
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $11,219 SGD|Low: $4,827 SGD|High: $11,259 SGD|Avg: $6,900 SGD|+2.5%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$4,827 SGD
Retailer 2$5,162 SGD
Retailer 8$5,601 SGD
Retailer 9$5,651 SGD
Retailer 10$5,828 SGD
Retailer 6$5,883 SGD
Retailer 4$6,239 SGD
Retailer 5$7,147 SGD
Retailer 7$10,110 SGD
Queensmith$11,219 SGD

27 data points across 10 retailers

20 retailers$4,827 SGD to $11,219 SGD

A
Cheapest Retailer
-
$4,827 SGD
HK$29,500 HKD
A
Retailer 2
-
$5,162 SGD
₹384,582 INR
View
A
Retailer 3
-
$5,601 SGD
$4,381 USD
View
A
Retailer 4
-
$5,651 SGD
View
A
Retailer 5
-
$5,828 SGD
$4,559 USD
View
Final sale: no returns
A
Retailer 6
-
$5,876 SGD
$4,596 USD
View
A
Retailer 7
-
$5,883 SGD
£3,624 GBP
View
A
Retailer 8
-
$6,143 SGD
View
A
Retailer 9
-
$6,239 SGD
£3,842 GBP
View
A
Retailer 10
-
$6,290 SGD
$4,920 USD
View
Retailer 11
-
$6,314 SGD
$4,939 USD
View
Price last confirmed 33 days ago
Retailer 12
-
$6,314 SGD
$4,939 USD
View
Price last confirmed 15 days ago
Retailer 13
-
$6,314 SGD
$4,939 USD
View
Price last confirmed 32 days ago
Retailer 14
-
$6,314 SGD
$4,939 USD
View
Price last confirmed 11 days ago
A
Retailer 15
-
$6,508 SGD
$5,090 USD
View
A
Retailer 16
-
$7,147 SGD
€5,324 EUR
View
Retailer 17
-
$7,286 SGD
$5,699 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$10,110 SGD
£6,227 GBP
View
Retailer 19
-
$11,001 SGD
$8,605 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Queensmith
1538231733 · Oct 28
$11,219 SGD
£6,910 GBP
View
19 more retailers have this diamond
Prices start from $4,827 SGDSave up to $6,392 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.

A
1.50ct Round
$4,827 SGD