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Oval|Natural|GIA

0.90ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 1515657312

Certificate GIA 1515657312

Diamond specifications and retailer prices

From $804 SGD
As of November 6, 2026
Save $2,211 SGD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,014 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.9ct natural oval diamond

This 0.9ct natural oval sits in the just-under-one-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 1515657312. Listed at 16 retailers as of November 5, 2026, with prices from $804 to $3,014, a $2,211 spread on the same certified stone. NZ Jewellers lists it at $3,014. 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

0.90
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle40.16°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 1515657312
Dimensions7.66 × 5.25 × 3.37 mm
L/W Ratio1.46
Culet sizeNone
Key to symbols
Crystal
Top View
7.66 mm5.25 mm0.90 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1515657312
Side View
Table 61.0%Crown 40.16°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 64.2%

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: $3,014 SGD|Low: $814 SGD|High: $3,014 SGD|Avg: $1,343 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
Retailer 13
November 6, 2026
Retailer 9$819 SGD
Retailer 12$936 SGD
Retailer 5$961 SGD
Retailer 13$961 SGD
Retailer 6$988 SGD
Retailer 3$998 SGD
Retailer 8$1,039 SGD
Retailer 4$1,109 SGD
Retailer 2$1,170 SGD
Retailer 7$1,356 SGD
Retailer 10$1,407 SGD
Retailer 11$1,757 SGD
NZ Jewellers$3,014 SGD

43 data points across 13 retailers

16 retailers$804 SGD to $3,014 SGD

A
Cheapest Retailer
-
$804 SGD
A
Retailer 2
-
$819 SGD
View
A
Retailer 3
-
$936 SGD
View
A
Retailer 4
-
$961 SGD
View
Retailer 5
-
$961 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$977 SGD
View
A
Retailer 7
-
$988 SGD
View
A
Retailer 8
-
$998 SGD
View
A
Retailer 9
-
$1,039 SGD
View
A
Retailer 10
-
$1,109 SGD
View
A
Retailer 11
-
$1,170 SGD
View
B+
Retailer 12
-
$1,333 SGD
View
B+
Retailer 13
-
$1,356 SGD
View
B+
Retailer 14
-
$1,407 SGD
View
B+
Retailer 15
-
$1,757 SGD
View
Most Expensive
B
NZ Jewellers
655b4daf-6264-4c7e-9924-30d07812fd9f · Nov 5
$3,014 SGD
$2,352 USD
View
15 more retailers have this diamond
Prices start from $804 SGDSave up to $2,211 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
0.90ct Oval
$804 SGD