Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 2546750663

Certificate GIA 2546750663

Diamond specifications and retailer prices

From $11,743 NZD
$6,607 USD
As of November 2, 2026
Save $14,723 NZD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $26,466 NZD at NZ Jewellers · As of October 27, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546750663. Listed at 18 retailers as of October 27, 2026, with prices from $11,743 to $26,466, a $14,723 spread on the same certified stone. NZ Jewellers lists it at $26,466. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2546750663
Dimensions8.98 × 6.41 × 3.87 mm
L/W Ratio1.40
Top View
8.98 mm6.41 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2546750663
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 60.4%

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: Nov 2
Current: $26,466 NZD|Low: $11,513 NZD|High: $26,466 NZD|Avg: $16,545 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$11,743 NZD
Retailer 5$12,665 NZD
Retailer 8$13,234 NZD
Retailer 7$14,336 NZD
Retailer 10$14,654 NZD
Retailer 3$15,537 NZD
Retailer 2$16,391 NZD
Retailer 9$18,863 NZD
Retailer 4$22,082 NZD
NZ Jewellers$26,466 NZD

38 data points across 10 retailers

18 retailers$11,743 NZD to $26,466 NZD

B+
Cheapest Retailer
-
$11,743 NZD
$6,607 USD
B+
Retailer 2
-
$12,290 NZD
$6,915 USD
View
B+
Retailer 3
-
$12,665 NZD
$7,126 USD
View
Final sale: no returns
B+
Retailer 4
-
$12,717 NZD
$7,155 USD
View
B+
Retailer 5
-
$13,082 NZD
CA$10,223 CAD
View
Retailer 6
-
$14,336 NZD
$8,066 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$14,556 NZD
$8,190 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$14,654 NZD
$8,245 USD
View
B
Retailer 9
-
$15,176 NZD
$8,539 USD
View
B
Retailer 10
-
$15,537 NZD
£6,883 GBP
View
Retailer 11
-
$15,765 NZD
$8,870 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$15,765 NZD
$8,870 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$16,280 NZD
$9,160 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$16,391 NZD
€8,783 EUR
View
B
Retailer 15
-
$16,541 NZD
$9,307 USD
View
B
Retailer 16
-
$17,480 NZD
$9,835 USD
View
Retailer 17
-
$22,082 NZD
£9,783 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
77be4b15-8aae-4105-b967-b46ab5ca25a9 · Oct 27
$26,466 NZD
$14,891 USD
View
17 more retailers have this diamond
Prices start from $11,743 NZDSave up to $14,723 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
$11,743 NZD