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Marquise|Natural|GIA

1.50ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 5543781996

Certificate GIA 5543781996

Diamond specifications and retailer prices

From $6,823 SGD
As of November 4, 2026
Save $7,622 SGD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $14,445 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543781996. Listed at 13 retailers as of November 4, 2026, with prices from $6,823 to $14,445, a $7,622 spread on the same certified stone. NZ Jewellers lists it at $14,445. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5543781996
Dimensions11.62 × 5.86 × 3.62 mm
L/W Ratio1.98
Top View
11.62 mm5.86 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5543781996
Side View
Table 55.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 61.8%

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 4
Current: $8,606 SGD|Low: $6,823 SGD|High: $12,878 SGD|Avg: $8,479 SGD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$6,823 SGD
Retailer 9$6,980 SGD
Retailer 5$7,282 SGD
Retailer 7$7,824 SGD
Retailer 8$7,824 SGD
Retailer 3$8,202 SGD
Retailer 1$8,606 SGD
Retailer 2$8,869 SGD
Retailer 4$12,690 SGD

41 data points across 9 retailers

13 retailers$6,823 SGD to $14,445 SGD

B+
Cheapest Retailer
-
$6,823 SGD
B+
Retailer 2
-
$6,980 SGD
View
B+
Retailer 3
-
$7,282 SGD
View
B+
Retailer 4
-
$7,824 SGD
View
B+
Retailer 5
-
$7,824 SGD
View
Retailer 6
-
$7,824 SGD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$8,202 SGD
View
B
Retailer 8
-
$8,606 SGD
View
B
Retailer 9
-
$8,869 SGD
View
B
Retailer 10
-
$9,028 SGD
View
Retailer 11
-
$9,521 SGD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$12,690 SGD
View
Most Expensive
C
NZ Jewellers
c7273e29-e2d6-4081-83d6-91e8eda163a9 · Nov 5
$14,445 SGD
$11,271 USD
View
12 more retailers have this diamond
Prices start from $6,823 SGDSave up to $7,622 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 Marquise
$6,823 SGD