CaratHunter
Plans
Oval|Natural|GIA

1.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 2564543888

Certificate GIA 2564543888

Diamond specifications and retailer prices

From $5,496 SGD
As of November 6, 2026
Save $6,505 SGD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,001 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct 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 2564543888. Listed at 22 retailers as of November 5, 2026, with prices from $5,496 to $12,001, a $6,505 spread on the same certified stone. NZ Jewellers lists it at $12,001. 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

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle41.92°
Pavilion angle38.57°
OriginNatural
Grading LabGIA
CertificateGIA 2564543888
Dimensions8.42 × 6.04 × 3.97 mm
L/W Ratio1.39
Culet sizeLarge
Key to symbols
Twinning Wisp, Crystal, Indented Natural
Top View
8.42 mm6.04 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564543888
Side View
Table 53.0%Crown 41.92°Girdle: THK-ETKPavilion 38.57°Culet: LargeDepth 65.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $12,001 SGD|Low: $5,446 SGD|High: $12,001 SGD|Avg: $7,773 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 20$5,496 SGD
Retailer 2$5,549 SGD
Retailer 3$6,056 SGD
Retailer 8$6,126 SGD
Retailer 12$6,258 SGD
Retailer 18$6,334 SGD
Retailer 22$6,580 SGD
Retailer 10$6,709 SGD
Retailer 16$6,890 SGD
Retailer 14$6,987 SGD
Retailer 4$7,176 SGD
Retailer 6$7,176 SGD
Retailer 21$7,176 SGD
Retailer 9$7,372 SGD
Retailer 5$7,500 SGD
Retailer 13$8,074 SGD
Retailer 11$8,279 SGD
Retailer 17$8,755 SGD
Retailer 7$10,428 SGD
Retailer 15$10,721 SGD
Retailer 19$11,397 SGD
NZ Jewellers$12,001 SGD

24 data points across 22 retailers

22 retailers$5,496 SGD to $12,001 SGD

B+
Cheapest Retailer
-
$5,496 SGD
B+
Retailer 2
-
$5,549 SGD
View
Retailer 3
-
$6,056 SGD
View
Price last confirmed 16 days ago
B+
Retailer 4
-
$6,126 SGD
View
B+
Retailer 5
-
$6,258 SGD
View
B+
Retailer 6
-
$6,334 SGD
View
B+
Retailer 7
-
$6,580 SGD
View
B
Retailer 8
-
$6,709 SGD
View
B
Retailer 9
-
$6,890 SGD
View
Retailer 10
-
$6,987 SGD
View
Price last confirmed 22 days ago
B
Retailer 11
-
$7,176 SGD
View
Retailer 12
-
$7,176 SGD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$7,176 SGD
View
B
Retailer 14
-
$7,372 SGD
View
B
Retailer 15
-
$7,500 SGD
View
B
Retailer 16
-
$8,074 SGD
View
B
Retailer 17
-
$8,279 SGD
View
B
Retailer 18
-
$8,755 SGD
View
B
Retailer 19
-
$10,428 SGD
View
B
Retailer 20
-
$10,721 SGD
View
B
Retailer 21
-
$11,397 SGD
View
Most Expensive
C
NZ Jewellers
6472b515-dd9f-4a76-be3e-566085752808 · Nov 5
$12,001 SGD
$9,364 USD
View
21 more retailers have this diamond
Prices start from $5,496 SGDSave up to $6,505 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.

B+
1.50ct Oval
$5,496 SGD