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Oval|Natural|GIA

1.51ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 6542536331

Certificate GIA 6542536331

Diamond specifications and retailer prices

From $3,328 USD
HK$26,000 HKD
Save $4,417 USD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,745 USD at NZ Jewellers
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 I 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 6542536331. Listed at 17 retailers, with prices from $3,328 to $7,745 at NZ Jewellers, a $4,417 spread on the same certified stone. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542536331
Dimensions8.80 × 6.23 × 4.03 mm
L/W Ratio1.41
Top View
8.80 mm6.23 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542536331
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 27
Current: $7,745 USD|Low: $3,328 USD|High: $7,745 USD|Avg: $4,529 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
September 28, 2026
Retailer 5$3,328 USD
Retailer 13$3,628 USD
Retailer 4$3,761 USD
Retailer 15$3,969 USD
Retailer 16$4,091 USD
Retailer 8$4,277 USD
Retailer 12$4,387 USD
Retailer 14$4,445 USD
Retailer 17$4,445 USD
Retailer 11$4,509 USD
Retailer 6$4,590 USD
Retailer 7$4,595 USD
Retailer 10$4,927 USD
Retailer 3$5,129 USD
Retailer 9$5,359 USD
Retailer 2$7,165 USD
NZ Jewellers$7,745 USD

26 data points across 17 retailers

17 retailers$3,328 USD to $7,745 USD

A
Cheapest Retailer
-
$3,328 USD
HK$26,000 HKD
A
Retailer 2
-
$3,628 USD
₹345,524 INR
View
A
Retailer 3
-
$3,911 USD
SGD 5,285 SGD
View
A
Retailer 4
-
$3,969 USD
View
A
Retailer 5
-
$4,091 USD
View
A
Retailer 6
-
$4,277 USD
SGD 5,780 SGD
View
A
Retailer 7
-
$4,387 USD
£3,454 GBP
View
B+
Retailer 8
-
$4,445 USD
View
B+
Retailer 9
-
$4,445 USD
View
A
Retailer 10
-
$4,509 USD
£3,550 GBP
View
B+
Retailer 11
-
$4,590 USD
View
B+
Retailer 12
-
$4,595 USD
View
A
Retailer 13
-
$4,927 USD
€4,692 EUR
View
B+
Retailer 14
-
$5,129 USD
View
B+
Retailer 15
-
$5,359 USD
ZAR 86,578 ZAR
View
Price last confirmed 54 days ago
B
Retailer 16
-
$7,165 USD
£5,642 GBP
View
Most Expensive
B
NZ Jewellers
66b0e9e9-488a-487c-b2e4-2ea47c36738b · Sep 28
$7,745 USD
View
16 more retailers have this diamond
Prices start from $3,328 USDSave up to $4,417 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.

A
1.51ct Oval
$3,328 USD