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Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6542576050

Certificate GIA 6542576050

Diamond specifications and retailer prices

From $11,763 NZD
As of November 6, 2026
Save $3,149 NZD (21%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $14,912 NZD at GemTrove · As of November 6, 2026
View at GemTrove

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 6542576050. Listed at 7 retailers as of November 6, 2026, with prices from $11,763 to $14,912, a $3,149 spread on the same certified stone. GemTrove lists it at $14,912. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6542576050
Dimensions8.88 × 6.60 × 4.01 mm
L/W Ratio1.35
Top View
8.88 mm6.60 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6542576050
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 60.8%

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 6
Current: $11,763 NZD|Low: $11,072 NZD|High: $14,271 NZD|Avg: $12,599 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$11,763 NZD
Retailer 3$11,877 NZD
Retailer 4$12,263 NZD
Retailer 2$12,505 NZD
Retailer 5$12,764 NZD
Retailer 6$13,030 NZD

46 data points across 6 retailers

7 retailers$11,763 NZD to $14,912 NZD

A
Cheapest Retailer
-
$11,763 NZD
A
Retailer 2
-
$11,877 NZD
View
A
Retailer 3
-
$12,263 NZD
View
A
Retailer 4
-
$12,505 NZD
View
A
Retailer 5
-
$12,764 NZD
View
Final sale: no returns
A
Retailer 6
-
$13,030 NZD
View
Most Expensive
B+
GemTrove
GT-N-01286371-98 · Nov 6
$14,912 NZD
A$12,718 AUD
View
6 more retailers have this diamond
Prices start from $11,763 NZDSave up to $3,149 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
$11,763 NZD