Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 2546750663

Certificate GIA 2546750663

Diamond specifications and retailer prices

From $6,607 USD
As of October 31, 2026
Save $8,284 USD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,891 USD 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 $6,607 to $14,891, a $8,284 spread on the same certified stone. NZ Jewellers lists it at $14,891. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $14,891 USD|Low: $6,478 USD|High: $14,891 USD|Avg: $9,309 USD
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$6,607 USD
Retailer 5$7,126 USD
Retailer 8$7,446 USD
Retailer 7$8,066 USD
Retailer 10$8,245 USD
Retailer 3$8,742 USD
Retailer 2$9,222 USD
Retailer 9$10,614 USD
Retailer 4$12,424 USD
NZ Jewellers$14,891 USD

38 data points across 10 retailers

18 retailers$6,607 USD to $14,891 USD

B+
Cheapest Retailer
-
$6,607 USD
B+
Retailer 2
-
$6,915 USD
View
B+
Retailer 3
-
$7,126 USD
View
Final sale: no returns
B+
Retailer 4
-
$7,155 USD
View
B+
Retailer 5
-
$7,360 USD
CA$10,223 CAD
View
Retailer 6
-
$8,066 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$8,190 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$8,245 USD
View
B
Retailer 9
-
$8,539 USD
View
B
Retailer 10
-
$8,742 USD
£6,883 GBP
View
B+
Retailer 11
-
$8,870 USD
View
Retailer 12
-
$8,870 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$9,160 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$9,222 USD
€8,783 EUR
View
B
Retailer 15
-
$9,307 USD
View
B
Retailer 16
-
$9,835 USD
View
B
Retailer 17
-
$12,424 USD
£9,783 GBP
View
Most Expensive
B
NZ Jewellers
77be4b15-8aae-4105-b967-b46ab5ca25a9 · Oct 27
$14,891 USD
View
17 more retailers have this diamond
Prices start from $6,607 USDSave up to $8,284 USD

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
$6,607 USD