CaratHunter
Plans
Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 7451259245

Certificate GIA 7451259245

Diamond specifications and retailer prices

From $6,589 SGD
$5,154 USD
As of October 31, 2026
Save $8,113 SGD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $14,702 SGD 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7451259245. Listed at 19 retailers as of October 30, 2026, with prices from $6,589 to $14,702, a $8,113 spread on the same certified stone. NZ Jewellers lists it at $14,702. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7451259245
Dimensions8.95 × 6.36 × 3.98 mm
L/W Ratio1.41
Top View
8.95 mm6.36 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7451259245
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.7%

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: Oct 31
Current: $14,702 SGD|Low: $6,501 SGD|High: $14,702 SGD|Avg: $8,935 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9$6,589 SGD
Retailer 7$6,699 SGD
Retailer 11$7,355 SGD
Retailer 4$7,412 SGD
Retailer 3$7,963 SGD
Retailer 8$7,963 SGD
Retailer 12$8,397 SGD
Retailer 5$8,430 SGD
Retailer 2$9,069 SGD
Retailer 10$9,188 SGD
Retailer 6$12,950 SGD
NZ Jewellers$14,702 SGD

41 data points across 12 retailers

19 retailers$6,589 SGD to $14,702 SGD

A
Cheapest Retailer
-
$6,589 SGD
$5,154 USD
A
Retailer 2
-
$6,699 SGD
$5,240 USD
View
B+
Retailer 3
-
$6,865 SGD
$5,370 USD
View
B+
Retailer 4
-
$6,944 SGD
$5,432 USD
View
B+
Retailer 5
-
$7,036 SGD
$5,504 USD
View
B+
Retailer 6
-
$7,355 SGD
CA$7,991 CAD
View
B+
Retailer 7
-
$7,412 SGD
$5,798 USD
View
B+
Retailer 8
-
$7,963 SGD
$6,229 USD
View
B+
Retailer 9
-
$7,963 SGD
$6,229 USD
View
B+
Retailer 10
-
$7,963 SGD
$6,229 USD
View
B+
Retailer 11
-
$8,397 SGD
$6,568 USD
View
B+
Retailer 12
-
$8,430 SGD
£5,192 GBP
View
B
Retailer 13
-
$8,859 SGD
$6,930 USD
View
B
Retailer 14
-
$8,859 SGD
$6,930 USD
View
B+
Retailer 15
-
$9,069 SGD
€6,756 EUR
View
B
Retailer 16
-
$9,153 SGD
$7,160 USD
View
B
Retailer 17
-
$9,188 SGD
$7,187 USD
View
B
Retailer 18
-
$12,950 SGD
£7,976 GBP
View
Most Expensive
B
NZ Jewellers
5ec193df-b980-434b-968c-8d67a70d9ecc · Oct 30
$14,702 SGD
$11,500 USD
View
18 more retailers have this diamond
Prices start from $6,589 SGDSave up to $8,113 SGD

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
$6,589 SGD