Marquise|Natural|GIA

1.20ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 6551655701

Certificate GIA 6551655701

Diamond specifications and retailer prices

From $6,264 SGD
As of November 4, 2026
Save $6,996 SGD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $13,260 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551655701. Listed at 19 retailers as of November 4, 2026, with prices from $6,264 to $13,260, a $6,996 spread on the same certified stone. NZ Jewellers lists it at $13,260. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551655701
Dimensions10.42 × 5.53 × 3.45 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Indented Natural
Top View
10.42 mm5.53 mm1.20 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551655701
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $13,260 SGD|Low: $5,351 SGD|High: $13,260 SGD|Avg: $8,039 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
November 6, 2026
Retailer 12$5,351 SGD
Retailer 9$6,264 SGD
Retailer 7$6,309 SGD
Retailer 17$6,310 SGD
Retailer 6$6,685 SGD
Retailer 11$7,094 SGD
Retailer 19$7,157 SGD
Retailer 5$7,182 SGD
Retailer 8$7,182 SGD
Retailer 18$7,182 SGD
Retailer 15$7,531 SGD
Retailer 20$7,548 SGD
Retailer 2$7,795 SGD
Retailer 14$8,113 SGD
Retailer 4$8,287 SGD
Retailer 21$8,385 SGD
Retailer 13$8,615 SGD
Retailer 10$8,742 SGD
Retailer 3$11,603 SGD
Retailer 16$11,648 SGD
NZ Jewellers$13,260 SGD

28 data points across 21 retailers

19 retailers$6,264 SGD to $13,260 SGD

B+
Cheapest Retailer
-
$6,264 SGD
B+
Retailer 2
-
$6,309 SGD
View
B+
Retailer 3
-
$6,310 SGD
View
B+
Retailer 4
-
$6,685 SGD
View
B+
Retailer 5
-
$7,094 SGD
View
B+
Retailer 6
-
$7,157 SGD
View
B+
Retailer 7
-
$7,182 SGD
View
B+
Retailer 8
-
$7,182 SGD
View
Retailer 9
-
$7,182 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$7,531 SGD
View
B+
Retailer 11
-
$7,548 SGD
View
B+
Retailer 12
-
$7,795 SGD
View
B
Retailer 13
-
$8,287 SGD
View
B
Retailer 14
-
$8,385 SGD
View
B
Retailer 15
-
$8,615 SGD
View
Retailer 16
-
$8,742 SGD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$11,603 SGD
View
B
Retailer 18
-
$11,648 SGD
View
Most Expensive
B
NZ Jewellers
c70d2820-4ca9-43c3-b1ea-2835b270fb99 · Nov 5
$13,260 SGD
$10,381 USD
View
18 more retailers have this diamond
Prices start from $6,264 SGDSave up to $6,996 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
$6,264 SGD