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Oval|Natural|GIA

1.50ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 1558891252

Certificate GIA 1558891252

Diamond specifications and retailer prices

From $5,007 SGD
HK$30,600 HKD
As of October 31, 2026
Save $6,480 SGD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,487 SGD at Queensmith · As of October 25, 2026
View at Queensmith

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558891252. Listed at 20 retailers as of October 25, 2026, with prices from $5,007 to $11,487, a $6,480 spread on the same certified stone. Queensmith lists it at $11,487. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558891252
Dimensions8.79 × 6.42 × 4.08 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
8.79 mm6.42 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558891252
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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 31
Current: $11,487 SGD|Low: $4,975 SGD|High: $11,511 SGD|Avg: $7,514 SGD|+2.2%
Queensmith
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
October 31, 2026
Retailer 11$5,007 SGD
Retailer 2$5,338 SGD
Retailer 10$5,800 SGD
Retailer 6$5,911 SGD
Retailer 9$6,172 SGD
Retailer 8$6,375 SGD
Retailer 16$6,498 SGD
Retailer 12$6,675 SGD
Retailer 3$6,687 SGD
Retailer 17$6,687 SGD
Retailer 18$6,687 SGD
Retailer 7$6,750 SGD
Retailer 4$6,882 SGD
Retailer 13$7,568 SGD
Retailer 14$7,716 SGD
Retailer 5$10,665 SGD
Retailer 15$11,185 SGD
Queensmith$11,487 SGD

23 data points across 18 retailers

20 retailers$5,007 SGD to $11,487 SGD

A
Cheapest Retailer
-
$5,007 SGD
HK$30,600 HKD
A
Retailer 2
-
$5,338 SGD
₹397,690 INR
View
A
Retailer 3
-
$5,800 SGD
View
A
Retailer 4
-
$5,911 SGD
$4,624 USD
View
A
Retailer 5
-
$6,030 SGD
$4,717 USD
View
A
Retailer 6
-
$6,172 SGD
$4,828 USD
View
Final sale: no returns
A
Retailer 7
-
$6,355 SGD
A$7,648 AUD
View
A
Retailer 8
-
$6,375 SGD
View
A
Retailer 9
-
$6,498 SGD
£4,002 GBP
View
A
Retailer 10
-
$6,675 SGD
£4,111 GBP
View
A
Retailer 11
-
$6,687 SGD
$5,231 USD
View
A
Retailer 12
-
$6,687 SGD
$5,231 USD
View
A
Retailer 13
-
$6,687 SGD
$5,231 USD
View
B+
Retailer 14
-
$6,750 SGD
$5,280 USD
View
B+
Retailer 15
-
$6,882 SGD
$5,384 USD
View
B+
Retailer 16
-
$7,568 SGD
€5,638 EUR
View
B+
Retailer 17
-
$7,716 SGD
$6,036 USD
View
B
Retailer 18
-
$10,665 SGD
£6,569 GBP
View
B
Retailer 19
-
$11,185 SGD
$8,749 USD
View
Most Expensive
B
Queensmith
1558891252 · Oct 25
$11,487 SGD
£7,075 GBP
View
19 more retailers have this diamond
Prices start from $5,007 SGDSave up to $6,480 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
$5,007 SGD