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Oval|Natural|GIA

1.50ct H SI2 Oval Natural Diamond

ID • H/SI2 • GIA 1558836562

Certificate GIA 1558836562

Diamond specifications and retailer prices

From $5,284 AUD
HK$29,000 HKD
As of October 31, 2026
Save $7,218 AUD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,502 AUD 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 1558836562. Listed at 18 retailers as of October 28, 2026, with prices from $5,284 to $12,502, a $7,218 spread on the same certified stone. Queensmith lists it at $12,502. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558836562
Dimensions9.02 × 6.46 × 4.05 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Knot, Cloud, Feather, Needle, Indented Natural
Top View
9.02 mm6.46 mm1.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558836562
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.7%

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: $12,502 AUD|Low: $5,230 AUD|High: $12,647 AUD|Avg: $7,824 AUD|+1.3%
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
October 31, 2026
Retailer 10$5,284 AUD
Retailer 2$5,629 AUD
Retailer 9$6,316 AUD
Retailer 6$6,499 AUD
Retailer 5$6,710 AUD
Retailer 12$6,842 AUD
Retailer 13$7,001 AUD
Retailer 7$7,041 AUD
Retailer 8$7,041 AUD
Retailer 16$7,041 AUD
Retailer 3$7,161 AUD
Retailer 15$7,256 AUD
Retailer 11$7,967 AUD
Retailer 4$8,123 AUD
Retailer 14$11,275 AUD
Retailer 17$12,266 AUD
Queensmith$12,502 AUD

21 data points across 17 retailers

18 retailers$5,284 AUD to $12,502 AUD

A
Cheapest Retailer
-
$5,284 AUD
HK$29,000 HKD
A
Retailer 2
-
$5,629 AUD
₹376,604 INR
View
A
Retailer 3
-
$6,316 AUD
SGD 5,995 SGD
View
A
Retailer 4
-
$6,499 AUD
$4,565 USD
View
Final sale: no returns
A
Retailer 5
-
$6,566 AUD
$4,612 USD
View
A
Retailer 6
-
$6,710 AUD
SGD 6,369 SGD
View
A
Retailer 7
-
$6,842 AUD
£3,784 GBP
View
A
Retailer 8
-
$7,001 AUD
£3,872 GBP
View
A
Retailer 9
-
$7,041 AUD
$4,946 USD
View
A
Retailer 10
-
$7,041 AUD
$4,946 USD
View
A
Retailer 11
-
$7,041 AUD
$4,946 USD
View
A
Retailer 12
-
$7,161 AUD
$5,030 USD
View
A
Retailer 13
-
$7,256 AUD
$5,097 USD
View
B+
Retailer 14
-
$7,967 AUD
€5,330 EUR
View
B+
Retailer 15
-
$8,123 AUD
$5,706 USD
View
B+
Retailer 16
-
$11,275 AUD
£6,236 GBP
View
B
Retailer 17
-
$12,266 AUD
$8,616 USD
View
Most Expensive
B
Queensmith
1558836562 · Oct 28
$12,502 AUD
£6,915 GBP
View
17 more retailers have this diamond
Prices start from $5,284 AUDSave up to $7,218 AUD

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
$5,284 AUD