CaratHunter
Plans
Marquise|Natural|GIA

1.20ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6542897393

Certificate GIA 6542897393

Diamond specifications and retailer prices

From $5,121 SGD
As of November 6, 2026
Save $6,463 SGD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,584 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542897393. Listed at 19 retailers as of November 5, 2026, with prices from $5,121 to $11,584, a $6,463 spread on the same certified stone. NZ Jewellers lists it at $11,584. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.57°
Pavilion angle40.33°
OriginNatural
Grading LabGIA
CertificateGIA 6542897393
Dimensions9.88 × 5.55 × 3.62 mm
L/W Ratio1.78
Top View
9.88 mm5.55 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542897393
Side View
Table 58.0%Crown 36.57°Girdle: Thick - Very ThickPavilion 40.33°Culet: NoneDepth 65.2%

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: $11,584 SGD|Low: $5,121 SGD|High: $11,584 SGD|Avg: $7,212 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
November 6, 2026
Retailer 15$5,121 SGD
Retailer 5$5,357 SGD
Retailer 8$5,471 SGD
Retailer 9$5,654 SGD
Retailer 7$5,792 SGD
Retailer 6$5,908 SGD
Retailer 11$6,220 SGD
Retailer 4$6,275 SGD
Retailer 17$6,275 SGD
Retailer 20$6,275 SGD
Retailer 13$6,691 SGD
Retailer 2$6,718 SGD
Retailer 10$7,112 SGD
Retailer 18$7,240 SGD
Retailer 12$7,643 SGD
Retailer 19$7,806 SGD
Retailer 14$8,450 SGD
Retailer 3$10,123 SGD
Retailer 16$11,000 SGD
NZ Jewellers$11,584 SGD

19 data points across 20 retailers

19 retailers$5,121 SGD to $11,584 SGD

B+
Cheapest Retailer
-
$5,121 SGD
Retailer 2
-
$5,357 SGD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$5,471 SGD
View
Retailer 4
-
$5,654 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$5,792 SGD
View
Final sale: no returns
B
Retailer 6
-
$5,908 SGD
View
B+
Retailer 7
-
$6,220 SGD
View
B+
Retailer 8
-
$6,275 SGD
View
Retailer 9
-
$6,275 SGD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$6,275 SGD
View
B+
Retailer 11
-
$6,691 SGD
View
B+
Retailer 12
-
$6,718 SGD
View
B
Retailer 13
-
$7,112 SGD
View
B
Retailer 14
-
$7,240 SGD
View
B
Retailer 15
-
$7,806 SGD
View
B
Retailer 16
-
$8,450 SGD
View
Retailer 17
-
$10,123 SGD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$11,000 SGD
View
Most Expensive
B
NZ Jewellers
bfcf407f-f0da-4af0-9378-9ff0602b0a3e · Nov 5
$11,584 SGD
$9,039 USD
View
18 more retailers have this diamond
Prices start from $5,121 SGDSave up to $6,463 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
$5,121 SGD