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Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7241366322

Certificate GIA 7241366322

Diamond specifications and retailer prices

From $19,615 NZD
$11,055 USD
As of October 28, 2026
Save $17,502 NZD (47%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $37,117 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 7241366322. Listed at 19 retailers as of October 28, 2026, with prices from $19,615 to $37,117, a $17,502 spread on the same certified stone. NZ Jewellers lists it at $37,117. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7241366322
Dimensions8.92 × 6.60 × 4.02 mm
L/W Ratio1.35
Top View
8.92 mm6.60 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7241366322
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $37,117 NZD|Low: $19,615 NZD|High: $37,117 NZD|Avg: $26,868 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8$19,615 NZD
Retailer 3$22,271 NZD
Retailer 9$23,754 NZD
Retailer 5$23,765 NZD
Retailer 7$23,904 NZD
Retailer 10$24,125 NZD
Retailer 11$25,053 NZD
Retailer 4$26,788 NZD
Retailer 2$32,718 NZD
Retailer 6$34,968 NZD
NZ Jewellers$37,117 NZD

42 data points across 11 retailers

19 retailers$19,615 NZD to $37,117 NZD

B+
Cheapest Retailer
-
$19,615 NZD
$11,055 USD
B+
Retailer 2
-
$20,663 NZD
$11,646 USD
View
B+
Retailer 3
-
$20,687 NZD
$11,659 USD
View
B+
Retailer 4
-
$20,807 NZD
CA$16,288 CAD
View
B
Retailer 5
-
$21,913 NZD
$12,350 USD
View
B
Retailer 6
-
$22,271 NZD
$12,552 USD
View
B
Retailer 7
-
$23,754 NZD
$13,388 USD
View
B
Retailer 8
-
$23,765 NZD
£10,547 GBP
View
Retailer 9
-
$23,904 NZD
A$20,727 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$24,125 NZD
$13,597 USD
View
B
Retailer 11
-
$25,053 NZD
$14,120 USD
View
B
Retailer 12
-
$25,603 NZD
$14,430 USD
View
B
Retailer 13
-
$25,603 NZD
$14,430 USD
View
B
Retailer 14
-
$25,804 NZD
$14,543 USD
View
B
Retailer 15
-
$26,455 NZD
$14,910 USD
View
B
Retailer 16
-
$26,788 NZD
€14,379 EUR
View
B
Retailer 17
-
$32,718 NZD
ZAR 297,899 ZAR
View
B
Retailer 18
-
$34,968 NZD
£15,518 GBP
View
Most Expensive
B
NZ Jewellers
8f6aceef-faf3-4bd8-b8b2-5eb04a828892 · Oct 30
$37,117 NZD
$20,919 USD
View
18 more retailers have this diamond
Prices start from $19,615 NZDSave up to $17,502 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.

B+
1.51ct Oval
$19,615 NZD