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Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7522574211

Certificate GIA 7522574211

Diamond specifications and retailer prices

From $13,591 NZD
$7,660 USD
As of November 1, 2026
Save $15,962 NZD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $29,553 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct 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 7522574211. Listed at 19 retailers as of October 30, 2026, with prices from $13,591 to $29,553, a $15,962 spread on the same certified stone. NZ Jewellers lists it at $29,553. 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7522574211
Dimensions9.48 × 6.33 × 3.99 mm
L/W Ratio1.50
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint
Top View
9.48 mm6.33 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7522574211
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.1%

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: $29,553 NZD|Low: $13,591 NZD|High: $29,553 NZD|Avg: $19,162 NZD|+11.9%
NZ Jewellers
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
Retailer 19
November 1, 2026
Retailer 6$13,591 NZD
Retailer 18$13,836 NZD
Retailer 15$14,691 NZD
Retailer 5$14,776 NZD
Retailer 16$14,776 NZD
Retailer 4$16,008 NZD
Retailer 12$16,110 NZD
Retailer 19$16,254 NZD
Retailer 17$16,333 NZD
Retailer 8$17,660 NZD
Retailer 3$18,098 NZD
Retailer 9$18,098 NZD
Retailer 11$18,470 NZD
Retailer 10$18,701 NZD
Retailer 14$19,308 NZD
Retailer 7$19,706 NZD
Retailer 13$21,708 NZD
Retailer 2$24,625 NZD
NZ Jewellers$29,553 NZD

43 data points across 19 retailers

19 retailers$13,591 NZD to $29,553 NZD

A
Cheapest Retailer
-
$13,591 NZD
$7,660 USD
B+
Retailer 2
-
$13,836 NZD
$7,798 USD
View
B+
Retailer 3
-
$14,691 NZD
$8,280 USD
View
B+
Retailer 4
-
$14,776 NZD
$8,328 USD
View
B+
Retailer 5
-
$14,776 NZD
$8,328 USD
View
Final sale: no returns
B+
Retailer 6
-
$16,008 NZD
$9,022 USD
View
B+
Retailer 7
-
$16,110 NZD
£7,150 GBP
View
B+
Retailer 8
-
$16,254 NZD
$9,161 USD
View
Retailer 9
-
$16,333 NZD
A$14,162 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$17,660 NZD
$9,953 USD
View
B+
Retailer 11
-
$18,098 NZD
$10,200 USD
View
B+
Retailer 12
-
$18,098 NZD
$10,200 USD
View
B+
Retailer 13
-
$18,470 NZD
$10,410 USD
View
B+
Retailer 14
-
$18,701 NZD
$10,540 USD
View
B+
Retailer 15
-
$19,308 NZD
€10,364 EUR
View
B
Retailer 16
-
$19,706 NZD
$11,107 USD
View
B
Retailer 17
-
$21,708 NZD
ZAR 197,654 ZAR
View
B
Retailer 18
-
$24,625 NZD
£10,928 GBP
View
Most Expensive
B
NZ Jewellers
5721c836-d992-4db4-a3b1-256cf545fc9f · Oct 30
$29,553 NZD
$16,656 USD
View
18 more retailers have this diamond
Prices start from $13,591 NZDSave up to $15,962 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
1.51ct Oval
$13,591 NZD