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Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7551748384

Certificate GIA 7551748384

Diamond specifications and retailer prices

From $14,177 NZD
As of November 6, 2026
Save $13,028 NZD (48%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $27,205 NZD at With Clarity · As of November 6, 2026
View at With Clarity

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 7551748384. Listed at 24 retailers as of November 6, 2026, with prices from $14,177 to $27,205, a $13,028 spread on the same certified stone. With Clarity lists it at $27,205. 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
Crown angle41.85°
Pavilion angle34.73°
OriginNatural
Grading LabGIA
CertificateGIA 7551748384
Dimensions8.75 × 6.25 × 3.90 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
8.75 mm6.25 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551748384
Side View
Table 63.0%Crown 41.85°Girdle: MED-VTKPavilion 34.73°Culet: NoneDepth 62.5%

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: $14,393 NZD|Low: $14,393 NZD|High: $24,284 NZD|Avg: $18,751 NZD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$14,393 NZD
Retailer 2$16,302 NZD
Retailer 7$16,522 NZD
Retailer 5$16,641 NZD
Retailer 9$16,984 NZD
Retailer 3$17,209 NZD
Retailer 4$19,376 NZD
Retailer 10$21,180 NZD
Retailer 6$22,563 NZD
Retailer 8$24,089 NZD

24 data points across 10 retailers

24 retailers$14,177 NZD to $27,205 NZD

A
Cheapest Retailer
-
$14,177 NZD
A
Retailer 2
-
$14,393 NZD
View
Retailer 3
-
$15,676 NZD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$15,984 NZD
View
B+
Retailer 5
-
$16,302 NZD
View
B+
Retailer 6
-
$16,415 NZD
View
B+
Retailer 7
-
$16,522 NZD
View
B+
Retailer 8
-
$16,641 NZD
View
B+
Retailer 9
-
$16,912 NZD
View
Retailer 10
-
$16,984 NZD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
$17,070 NZD
View
Final sale: no returns
Retailer 12
-
$17,072 NZD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$17,209 NZD
View
B+
Retailer 14
-
$18,476 NZD
View
B+
Retailer 15
-
$18,495 NZD
View
B+
Retailer 16
-
$18,779 NZD
View
B+
Retailer 17
-
$18,916 NZD
View
B+
Retailer 18
-
$19,376 NZD
View
B+
Retailer 19
-
$19,435 NZD
View
B
Retailer 20
-
$21,340 NZD
View
B
Retailer 21
-
$22,563 NZD
View
B
Retailer 22
-
$24,089 NZD
View
B
Retailer 23
-
$25,778 NZD
View
Most Expensive
B
With Clarity
7551748384 · Nov 6
$27,205 NZD
$15,081 USD
View
23 more retailers have this diamond
Prices start from $14,177 NZDSave up to $13,028 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
$14,177 NZD