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Oval|Natural|GIA

1.56ct D SI2 Oval Natural Diamond

ID • D/SI2 • GIA 6233739659

Certificate GIA 6233739659

Diamond specifications and retailer prices

From $10,143 AUD
£5,610 GBP
As of October 30, 2026
Save $7,807 AUD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $17,950 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.56ct natural oval diamond

This 1.56ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6233739659. Listed at 6 retailers as of October 30, 2026, with prices from $10,143 to $17,950, a $7,807 spread on the same certified stone. NZ Jewellers lists it at $17,950. 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

1.56
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.02°
Pavilion angle39.61°
OriginNatural
Grading LabGIA
CertificateGIA 6233739659
Dimensions9.39 × 6.38 × 4.00 mm
L/W Ratio1.47
Top View
9.39 mm6.38 mm1.56 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6233739659
Side View
Table 58.0%Crown 38.02°Girdle: MED-STKPavilion 39.61°Culet: 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 30
Current: $17,950 AUD|Low: $10,109 AUD|High: $18,151 AUD|Avg: $12,285 AUD|-1.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$10,143 AUD
Retailer 8$10,700 AUD
Retailer 3$10,733 AUD
Retailer 5$10,808 AUD
Retailer 6$10,898 AUD
Retailer 7$11,138 AUD
Retailer 9$11,789 AUD
Retailer 4$15,037 AUD
NZ Jewellers$17,950 AUD

27 data points across 9 retailers

6 retailers$10,143 AUD to $17,950 AUD

A
Cheapest Retailer
-
$10,143 AUD
£5,610 GBP
A
Retailer 2
-
$10,733 AUD
$7,539 USD
View
A
Retailer 3
-
$10,808 AUD
$7,592 USD
View
A
Retailer 4
-
$10,898 AUD
$7,655 USD
View
B+
Retailer 5
-
$15,037 AUD
£8,317 GBP
View
Most Expensive
B
NZ Jewellers
15b28910-4a34-430d-886a-03cf7ff47588 · Oct 30
$17,950 AUD
$12,609 USD
View
5 more retailers have this diamond
Prices start from $10,143 AUDSave up to $7,807 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
1.56ct Oval
$10,143 AUD