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Oval|Natural|GIA

1.51ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 7543674333

Certificate GIA 7543674333

Diamond specifications and retailer prices

From $3,346 SGD
As of November 6, 2026
Save $4,469 SGD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,815 SGD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7543674333. Listed at 16 retailers as of November 5, 2026, with prices from $3,346 to $7,815, a $4,469 spread on the same certified stone. NZ Jewellers lists it at $7,815. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7543674333
Dimensions9.06 × 6.35 × 4.01 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
9.06 mm6.35 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7543674333
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.2%

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: Nov 6
Current: $4,351 SGD|Low: $3,346 SGD|High: $7,591 SGD|Avg: $5,348 SGD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$3,346 SGD
Retailer 1$4,351 SGD
Retailer 3$4,642 SGD
Retailer 2$5,223 SGD
Retailer 4$5,475 SGD
Retailer 5$7,479 SGD

37 data points across 6 retailers

16 retailers$3,346 SGD to $7,815 SGD

A
Cheapest Retailer
-
$3,346 SGD
A
Retailer 2
-
$3,829 SGD
View
A
Retailer 3
-
$3,982 SGD
View
A
Retailer 4
-
$4,319 SGD
View
A
Retailer 5
-
$4,351 SGD
View
Retailer 6
-
$4,486 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,486 SGD
View
A
Retailer 8
-
$4,642 SGD
View
Retailer 9
-
$4,657 SGD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$4,659 SGD
View
B+
Retailer 11
-
$4,789 SGD
View
B+
Retailer 12
-
$5,175 SGD
View
B+
Retailer 13
-
$5,223 SGD
View
B+
Retailer 14
-
$5,475 SGD
View
B
Retailer 15
-
$7,479 SGD
View
Most Expensive
B
NZ Jewellers
a167fbd1-0cc6-498b-b95c-4f6b8a2bffc5 · Nov 5
$7,815 SGD
$6,098 USD
View
15 more retailers have this diamond
Prices start from $3,346 SGDSave up to $4,469 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
$3,346 SGD