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Marquise|Natural|GIA

1.20ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2567792143

Certificate GIA 2567792143

Diamond specifications and retailer prices

From $4,577 SGD
As of November 6, 2026
Save $2,890 SGD (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,467 SGD at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

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 2567792143. Listed at 10 retailers as of November 5, 2026, with prices from $4,577 to $7,467, a $2,890 spread on the same certified stone. Cape Diamonds lists it at $7,467. 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
OriginNatural
Grading LabGIA
CertificateGIA 2567792143
Dimensions10.50 × 5.50 × 3.48 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
10.50 mm5.50 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567792143
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,467 SGD|Low: $4,577 SGD|High: $7,467 SGD|Avg: $6,095 SGD
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$4,577 SGD
Retailer 4$4,768 SGD
Retailer 2$5,649 SGD
Retailer 6$5,936 SGD
Retailer 8$5,989 SGD
Retailer 3$6,229 SGD
Retailer 7$6,312 SGD
Retailer 9$7,062 SGD
Cape Diamonds$7,467 SGD

2 data points across 9 retailers

10 retailers$4,577 SGD to $7,467 SGD

A
Cheapest Retailer
-
$4,577 SGD
B+
Retailer 2
-
$4,768 SGD
View
B+
Retailer 3
-
$5,261 SGD
View
B+
Retailer 4
-
$5,649 SGD
View
Final sale: no returns
B
Retailer 5
-
$5,936 SGD
View
B
Retailer 6
-
$5,989 SGD
View
B+
Retailer 7
-
$6,229 SGD
View
B+
Retailer 8
-
$6,312 SGD
View
B
Retailer 9
-
$7,062 SGD
View
Most Expensive
B
Cape Diamonds
cert_2567792143 · Nov 5
$7,467 SGD
ZAR 94,123 ZAR
View
9 more retailers have this diamond
Prices start from $4,577 SGDSave up to $2,890 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.

A
1.20ct Marquise
$4,577 SGD