Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2245063367

Certificate GIA 2245063367

Diamond specifications and retailer prices

From $3,443 USD
HK$26,900 HKD
As of November 1, 2026
Save $4,746 USD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,189 USD 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245063367. Listed at 9 retailers as of October 30, 2026, with prices from $3,443 to $8,189, a $4,746 spread on the same certified stone. NZ Jewellers lists it at $8,189. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.09°
OriginNatural
Grading LabGIA
CertificateGIA 2245063367
Dimensions8.97 × 6.23 × 4.03 mm
L/W Ratio1.44
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
8.97 mm6.23 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245063367
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 36.09°Culet: NoneDepth 64.7%

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: Nov 1
Current: $8,189 USD|Low: $3,418 USD|High: $8,729 USD|Avg: $5,427 USD|-6.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$3,443 USD
Retailer 5$4,143 USD
Retailer 9$4,459 USD
Retailer 2$4,522 USD
Retailer 4$4,700 USD
Retailer 8$4,778 USD
Retailer 7$5,296 USD
Retailer 3$7,487 USD
NZ Jewellers$8,189 USD

32 data points across 9 retailers

9 retailers$3,443 USD to $8,189 USD

A
Cheapest Retailer
-
$3,443 USD
HK$26,900 HKD
B+
Retailer 2
-
$4,143 USD
View
B+
Retailer 3
-
$4,459 USD
SGD 6,025 SGD
View
B+
Retailer 4
-
$4,522 USD
£3,561 GBP
View
B+
Retailer 5
-
$4,700 USD
View
B+
Retailer 6
-
$4,778 USD
View
B+
Retailer 7
-
$5,296 USD
€5,044 EUR
View
B
Retailer 8
-
$7,487 USD
£5,895 GBP
View
Most Expensive
B
NZ Jewellers
eb5d03ee-47f6-44f0-a5a7-9fd7c8999cc4 · Oct 30
$8,189 USD
View
8 more retailers have this diamond
Prices start from $3,443 USDSave up to $4,746 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.

A
1.51ct Oval
$3,443 USD