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Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 2547695652

Certificate GIA 2547695652

Diamond specifications and retailer prices

From $12,176 NZD
As of November 1, 2026
Save $3,036 NZD (20%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $15,212 NZD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547695652. Listed at 8 retailers as of November 1, 2026, with prices from $12,176 to $15,212, a $3,036 spread on the same certified stone. Blue Nile lists it at $15,212. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547695652
Dimensions8.79 × 6.50 × 4.12 mm
L/W Ratio1.35
Top View
8.79 mm6.50 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547695652
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.4%

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: Nov 1
Current: $15,212 NZD|Low: $11,749 NZD|High: $15,948 NZD|Avg: $13,500 NZD|-4.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$12,176 NZD
Retailer 2$12,566 NZD
Retailer 4$12,566 NZD
Retailer 6$12,992 NZD
Retailer 3$13,244 NZD
Retailer 7$13,509 NZD
Retailer 8$13,805 NZD
Blue Nile$15,212 NZD

43 data points across 8 retailers

8 retailers$12,176 NZD to $15,212 NZD

A
Cheapest Retailer
-
$12,176 NZD
A
Retailer 2
-
$12,566 NZD
View
A
Retailer 3
-
$12,566 NZD
View
A
Retailer 4
-
$12,992 NZD
View
A
Retailer 5
-
$13,244 NZD
View
B+
Retailer 6
-
$13,509 NZD
View
Final sale: no returns
A
Retailer 7
-
$13,805 NZD
View
Most Expensive
B+
Blue Nile
28349858 · Nov 5
$15,212 NZD
$8,433 USD
View
7 more retailers have this diamond
Prices start from $12,176 NZDSave up to $3,036 NZD

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
$12,176 NZD