Oval|Natural|GIA

1.50ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 1545745975

Certificate GIA 1545745975

Diamond specifications and retailer prices

From $6,424 SGD
$5,025 USD
As of October 31, 2026
Save $5,037 SGD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,461 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval 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 1545745975. Listed at 8 retailers as of October 30, 2026, with prices from $6,424 to $11,461, a $5,037 spread on the same certified stone. NZ Jewellers lists it at $11,461. 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
SymmetryExcellent
FluorescenceMedium
Crown angle39.46°
Pavilion angle40.49°
OriginNatural
Grading LabGIA
CertificateGIA 1545745975
Dimensions8.47 × 6.33 × 4.17 mm
L/W Ratio1.34
Girdle conditionVery Thick
Key to symbols
Crystal
Top View
8.47 mm6.33 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1545745975
Side View
Table 63.0%Crown 39.46°Girdle: STK-VTKPavilion 40.49°Culet: NoneDepth 65.9%

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: $11,461 SGD|Low: $6,424 SGD|High: $11,635 SGD|Avg: $7,892 SGD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7$6,424 SGD
Retailer 2$6,457 SGD
Retailer 5$6,852 SGD
Retailer 6$6,852 SGD
Retailer 9$7,006 SGD
Retailer 10$7,013 SGD
Retailer 12$7,095 SGD
Retailer 3$7,390 SGD
Retailer 11$7,577 SGD
Retailer 4$7,736 SGD
Retailer 8$10,972 SGD
NZ Jewellers$11,461 SGD

33 data points across 12 retailers

8 retailers$6,424 SGD to $11,461 SGD

A
Cheapest Retailer
-
$6,424 SGD
$5,025 USD
A
Retailer 2
-
$6,457 SGD
£3,977 GBP
View
A
Retailer 3
-
$6,852 SGD
$5,360 USD
View
A
Retailer 4
-
$6,852 SGD
$5,360 USD
View
A
Retailer 5
-
$7,006 SGD
$5,480 USD
View
Retailer 6
-
$7,013 SGD
A$8,439 AUD
View
Price last confirmed 22 days ago
B
Retailer 7
-
$10,972 SGD
£6,758 GBP
View
Most Expensive
B+
NZ Jewellers
bafc5ccc-1899-48c2-b09b-ca8a4404c8cf · Oct 30
$11,461 SGD
$8,965 USD
View
7 more retailers have this diamond
Prices start from $6,424 SGDSave up to $5,037 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 Oval
$6,424 SGD