Oval|Natural|GIA

1.50ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6531148227

Certificate GIA 6531148227

Diamond specifications and retailer prices

From $5,073 SGD
HK$31,000 HKD
As of October 31, 2026
Save $6,398 SGD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,471 SGD at Queensmith · As of October 28, 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 6531148227. Listed at 22 retailers as of October 28, 2026, with prices from $5,073 to $11,471, a $6,398 spread on the same certified stone. Queensmith lists it at $11,471. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531148227
Dimensions8.88 × 6.36 × 4.05 mm
L/W Ratio1.40
Top View
8.88 mm6.36 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6531148227
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.7%

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: $11,471 SGD|Low: $5,024 SGD|High: $11,576 SGD|Avg: $7,254 SGD|+1.9%
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$5,073 SGD
Retailer 2$5,396 SGD
Retailer 4$5,858 SGD
Retailer 10$5,994 SGD
Retailer 7$6,112 SGD
Retailer 14$6,435 SGD
Retailer 6$6,446 SGD
Retailer 12$6,611 SGD
Retailer 8$6,622 SGD
Retailer 9$6,622 SGD
Retailer 18$6,622 SGD
Retailer 16$6,817 SGD
Retailer 17$6,981 SGD
Retailer 13$7,494 SGD
Retailer 5$7,641 SGD
Retailer 15$10,604 SGD
Retailer 3$11,076 SGD
Queensmith$11,471 SGD

20 data points across 18 retailers

22 retailers$5,073 SGD to $11,471 SGD

A
Cheapest Retailer
-
$5,073 SGD
HK$31,000 HKD
A
Retailer 2
-
$5,396 SGD
₹401,964 INR
View
A
Retailer 3
-
$5,858 SGD
$4,582 USD
View
A
Retailer 4
-
$5,994 SGD
View
A
Retailer 5
-
$6,112 SGD
$4,781 USD
View
Final sale: no returns
A
Retailer 6
-
$6,231 SGD
$4,874 USD
View
A
Retailer 7
-
$6,435 SGD
£3,964 GBP
View
A
Retailer 8
-
$6,446 SGD
View
A
Retailer 9
-
$6,611 SGD
£4,072 GBP
View
B+
Retailer 10
-
$6,622 SGD
$5,180 USD
View
B+
Retailer 11
-
$6,622 SGD
$5,180 USD
View
A
Retailer 12
-
$6,622 SGD
$5,180 USD
View
Retailer 13
-
$6,694 SGD
$5,236 USD
View
Price last confirmed 15 days ago
A
Retailer 14
-
$6,817 SGD
$5,333 USD
View
B+
Retailer 15
-
$6,981 SGD
$5,461 USD
View
B+
Retailer 16
-
$7,494 SGD
€5,583 EUR
View
B+
Retailer 17
-
$7,641 SGD
$5,977 USD
View
Retailer 18
-
$7,683 SGD
$6,010 USD
View
Price last confirmed 13 days ago
B
Retailer 19
-
$10,604 SGD
£6,531 GBP
View
B
Retailer 20
-
$11,076 SGD
$8,664 USD
View
Retailer 21
-
$11,136 SGD
$8,711 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Queensmith
6531148227 · Oct 28
$11,471 SGD
£7,065 GBP
View
21 more retailers have this diamond
Prices start from $5,073 SGDSave up to $6,398 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
$5,073 SGD