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Oval|Natural|GIA

1.50ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6531148227

Certificate GIA 6531148227

Diamond specifications and retailer prices

From $5,649 AUD
HK$31,000 HKD
As of October 31, 2026
Save $7,124 AUD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,773 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 6531148227. Listed at 22 retailers as of October 28, 2026, with prices from $5,649 to $12,773, a $7,124 spread on the same certified stone. Queensmith lists it at $12,773. 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: $12,773 AUD|Low: $5,594 AUD|High: $12,891 AUD|Avg: $8,077 AUD|+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
November 1, 2026
Retailer 13$5,649 AUD
Retailer 12$6,008 AUD
Retailer 4$6,523 AUD
Retailer 10$6,675 AUD
Retailer 7$6,806 AUD
Retailer 2$7,145 AUD
Retailer 6$7,178 AUD
Retailer 11$7,361 AUD
Retailer 8$7,374 AUD
Retailer 9$7,374 AUD
Retailer 18$7,374 AUD
Retailer 16$7,592 AUD
Retailer 17$7,774 AUD
Retailer 14$8,345 AUD
Retailer 5$8,509 AUD
Retailer 15$11,808 AUD
Retailer 3$12,334 AUD
Queensmith$12,773 AUD

20 data points across 18 retailers

22 retailers$5,649 AUD to $12,773 AUD

A
Cheapest Retailer
-
$5,649 AUD
HK$31,000 HKD
A
Retailer 2
-
$6,008 AUD
₹401,964 INR
View
A
Retailer 3
-
$6,523 AUD
$4,582 USD
View
A
Retailer 4
-
$6,675 AUD
SGD 6,336 SGD
View
A
Retailer 5
-
$6,806 AUD
$4,781 USD
View
Final sale: no returns
A
Retailer 6
-
$6,939 AUD
$4,874 USD
View
A
Retailer 7
-
$7,145 AUD
£3,952 GBP
View
A
Retailer 8
-
$7,178 AUD
SGD 6,814 SGD
View
A
Retailer 9
-
$7,361 AUD
£4,072 GBP
View
B+
Retailer 10
-
$7,374 AUD
$5,180 USD
View
B+
Retailer 11
-
$7,374 AUD
$5,180 USD
View
A
Retailer 12
-
$7,374 AUD
$5,180 USD
View
Retailer 13
-
$7,454 AUD
$5,236 USD
View
Price last confirmed 16 days ago
A
Retailer 14
-
$7,592 AUD
$5,333 USD
View
B+
Retailer 15
-
$7,774 AUD
$5,461 USD
View
B+
Retailer 16
-
$8,345 AUD
€5,583 EUR
View
B+
Retailer 17
-
$8,509 AUD
$5,977 USD
View
Retailer 18
-
$8,556 AUD
$6,010 USD
View
Price last confirmed 13 days ago
B
Retailer 19
-
$11,808 AUD
£6,531 GBP
View
B
Retailer 20
-
$12,334 AUD
$8,664 USD
View
Retailer 21
-
$12,401 AUD
$8,711 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Queensmith
6531148227 · Oct 28
$12,773 AUD
£7,065 GBP
View
21 more retailers have this diamond
Prices start from $5,649 AUDSave up to $7,124 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
$5,649 AUD