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Marquise|Natural|GIA

1.20ct G SI1 Marquise Natural Diamond

ID • G/SI1 • GIA 6545836244

Certificate GIA 6545836244

Diamond specifications and retailer prices

From $6,926 SGD
As of November 4, 2026
Save $5,525 SGD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $12,451 SGD at Wholesale Diamonds Direct · As of November 6, 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 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 6545836244. Listed at 12 retailers as of November 4, 2026, with prices from $6,926 to $12,451, a $5,525 spread on the same certified stone. Wholesale Diamonds Direct lists it at $12,451. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.6°
Pavilion angle38.4°
OriginNatural
Grading LabGIA
CertificateGIA 6545836244
Dimensions10.17 × 5.57 × 3.44 mm
L/W Ratio1.83
Top View
10.17 mm5.57 mm1.20 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545836244
Side View
Table 59.0%Crown 38.6°Girdle: THK-VTKPavilion 38.4°Culet: NoneDepth 61.8%

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: $8,821 SGD|Low: $6,926 SGD|High: $10,771 SGD|Avg: $8,418 SGD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$6,926 SGD
Retailer 6$7,395 SGD
Retailer 7$8,270 SGD
Retailer 2$8,325 SGD
Retailer 4$8,406 SGD
Retailer 1$8,821 SGD
Retailer 3$10,696 SGD

45 data points across 7 retailers

12 retailers$6,926 SGD to $12,451 SGD

B+
Cheapest Retailer
-
$6,926 SGD
B
Retailer 2
-
$7,395 SGD
View
B
Retailer 3
-
$8,270 SGD
View
B
Retailer 4
-
$8,325 SGD
View
B
Retailer 5
-
$8,406 SGD
View
B
Retailer 6
-
$8,821 SGD
View
B
Retailer 7
-
$8,843 SGD
View
B
Retailer 8
-
$8,843 SGD
View
B
Retailer 9
-
$8,972 SGD
View
B
Retailer 10
-
$9,138 SGD
View
B
Retailer 11
-
$10,696 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
235881660 · Nov 6
$12,451 SGD
$9,715 USD
View
11 more retailers have this diamond
Prices start from $6,926 SGDSave up to $5,525 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
$6,926 SGD