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Marquise|Natural|GIA

1.20ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1568555776

Certificate GIA 1568555776

Diamond specifications and retailer prices

From $6,370 SGD
As of November 5, 2026
Save $6,390 SGD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,760 SGD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568555776. Listed at 14 retailers as of November 4, 2026, with prices from $6,370 to $12,760, a $6,390 spread on the same certified stone. Wholesale Diamonds Direct lists it at $12,760. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle36.86°
OriginNatural
Grading LabGIA
CertificateGIA 1568555776
Dimensions11.80 × 5.49 × 3.18 mm
L/W Ratio2.15
Culet sizeNone
Top View
11.80 mm5.49 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568555776
Side View
Table 60.0%Crown 37.2°Girdle: STK-THKPavilion 36.86°Culet: NoneDepth 58.0%

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: $9,978 SGD|Low: $6,361 SGD|High: $12,760 SGD|Avg: $8,816 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 6, 2026
Retailer 8$6,370 SGD
Retailer 9$7,038 SGD
Retailer 12$7,231 SGD
Retailer 2$7,448 SGD
Retailer 10$7,491 SGD
Retailer 13$7,523 SGD
Retailer 5$7,618 SGD
Retailer 7$7,952 SGD
Retailer 4$8,872 SGD
Retailer 3$8,919 SGD
Retailer 6$8,926 SGD
Retailer 1$9,978 SGD
Retailer 11$12,129 SGD
Wholesale Diamonds Direct$12,760 SGD

23 data points across 14 retailers

14 retailers$6,370 SGD to $12,760 SGD

B+
Cheapest Retailer
-
$6,370 SGD
B+
Retailer 2
-
$7,038 SGD
View
B+
Retailer 3
-
$7,231 SGD
View
B+
Retailer 4
-
$7,448 SGD
View
B+
Retailer 5
-
$7,491 SGD
View
B+
Retailer 6
-
$7,523 SGD
View
B+
Retailer 7
-
$7,618 SGD
View
B+
Retailer 8
-
$7,952 SGD
View
B
Retailer 9
-
$8,872 SGD
View
B
Retailer 10
-
$8,919 SGD
View
B
Retailer 11
-
$8,926 SGD
View
B
Retailer 12
-
$9,978 SGD
View
B
Retailer 13
-
$12,129 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
545945760 · Nov 4
$12,760 SGD
$9,990 USD
View
13 more retailers have this diamond
Prices start from $6,370 SGDSave up to $6,390 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
$6,370 SGD