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Oval|Natural|GIA

1.51ct I SI2 Oval Natural Diamond

ID • I/SI2 • GIA 2526737022

Certificate GIA 2526737022

Diamond specifications and retailer prices

From $3,518 SGD
HK$21,500 HKD
As of October 31, 2026
Save $4,426 SGD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,944 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 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 2526737022. Listed at 16 retailers as of October 30, 2026, with prices from $3,518 to $7,944, a $4,426 spread on the same certified stone. NZ Jewellers lists it at $7,944. 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
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2526737022
Dimensions9.66 × 6.25 × 3.87 mm
L/W Ratio1.55
Top View
9.66 mm6.25 mm1.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2526737022
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $7,944 SGD|Low: $3,485 SGD|High: $8,118 SGD|Avg: $5,019 SGD|-2.1%
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
November 1, 2026
Retailer 9$3,518 SGD
Retailer 7$3,625 SGD
Retailer 8$3,755 SGD
Retailer 11$4,462 SGD
Retailer 6$4,560 SGD
Retailer 14$4,560 SGD
Retailer 5$4,735 SGD
Retailer 13$4,746 SGD
Retailer 2$4,766 SGD
Retailer 15$4,845 SGD
Retailer 4$4,883 SGD
Retailer 3$5,262 SGD
Retailer 10$5,340 SGD
Retailer 12$7,666 SGD
NZ Jewellers$7,944 SGD

23 data points across 15 retailers

16 retailers$3,518 SGD to $7,944 SGD

A
Cheapest Retailer
-
$3,518 SGD
HK$21,500 HKD
A
Retailer 2
-
$3,625 SGD
View
A
Retailer 3
-
$3,755 SGD
₹279,722 INR
View
A
Retailer 4
-
$4,398 SGD
$3,440 USD
View
A
Retailer 5
-
$4,462 SGD
£2,748 GBP
View
A
Retailer 6
-
$4,560 SGD
$3,567 USD
View
A
Retailer 7
-
$4,560 SGD
$3,567 USD
View
A
Retailer 8
-
$4,735 SGD
$3,704 USD
View
A
Retailer 9
-
$4,746 SGD
$3,712 USD
View
A
Retailer 10
-
$4,766 SGD
£2,935 GBP
View
A
Retailer 11
-
$4,845 SGD
$3,790 USD
View
A
Retailer 12
-
$4,883 SGD
View
A
Retailer 13
-
$5,262 SGD
$4,116 USD
View
A
Retailer 14
-
$5,340 SGD
€3,978 EUR
View
B+
Retailer 15
-
$7,666 SGD
£4,722 GBP
View
Most Expensive
B+
NZ Jewellers
72db05aa-4e29-4f19-bbc2-f88ee99ad6d8 · Oct 30
$7,944 SGD
$6,214 USD
View
15 more retailers have this diamond
Prices start from $3,518 SGDSave up to $4,426 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
$3,518 SGD