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Marquise|Natural|GIA

1.20ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 1555950034

Certificate GIA 1555950034

Diamond specifications and retailer prices

From $3,419 SGD
As of November 5, 2026
Save $3,925 SGD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,344 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-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 1555950034. Listed at 13 retailers as of November 5, 2026, with prices from $3,419 to $7,344, a $3,925 spread on the same certified stone. NZ Jewellers lists it at $7,344. 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

1.20
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555950034
Dimensions11.01 × 5.47 × 3.30 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizeNone
Top View
11.01 mm5.47 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1555950034
Side View
Table 63.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 60.3%

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 5
Current: $4,312 SGD|Low: $3,419 SGD|High: $7,135 SGD|Avg: $4,378 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$3,419 SGD
Retailer 5$3,468 SGD
Retailer 7$3,587 SGD
Retailer 9$3,819 SGD
Retailer 8$3,966 SGD
Retailer 1$4,312 SGD
Retailer 3$4,362 SGD
Retailer 2$4,617 SGD
Retailer 4$7,032 SGD

43 data points across 9 retailers

13 retailers$3,419 SGD to $7,344 SGD

B+
Cheapest Retailer
-
$3,419 SGD
B+
Retailer 2
-
$3,468 SGD
View
B+
Retailer 3
-
$3,587 SGD
View
B
Retailer 4
-
$3,819 SGD
View
Retailer 5
-
$3,819 SGD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$3,966 SGD
View
B+
Retailer 7
-
$4,312 SGD
View
B+
Retailer 8
-
$4,362 SGD
View
B
Retailer 9
-
$4,407 SGD
View
B
Retailer 10
-
$4,617 SGD
View
Retailer 11
-
$4,890 SGD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$7,032 SGD
View
Most Expensive
C
NZ Jewellers
bd7e5fc3-cc88-4599-9f95-a01c6d533cfe · Nov 5
$7,344 SGD
$5,750 USD
View
12 more retailers have this diamond
Prices start from $3,419 SGDSave up to $3,925 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+
1.20ct Marquise
$3,419 SGD