Marquise|Natural|GIA

1.20ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 1567290770

Certificate GIA 1567290770

Diamond specifications and retailer prices

From $3,942 USD
SGD 5,327 SGD
As of October 31, 2026
13 retailers carry this diamond
Most expensive: $7,838 USD at NZ Jewellers · As of September 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1567290770. Listed at 13 retailers as of October 31, 2026. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1567290770
Dimensions10.40 × 5.54 × 3.54 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Cavity, Knot, Cloud, Needle, Indented Natural
Top View
10.40 mm5.54 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1567290770
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $6,991 USD|Low: $3,341 USD|High: $7,252 USD|Avg: $4,807 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 14, 2026
Retailer 2$3,341 USD
Retailer 6$3,942 USD
Retailer 8$4,152 USD
Retailer 3$4,285 USD
Retailer 4$4,495 USD
Retailer 5$4,582 USD
Retailer 11$4,620 USD
Retailer 10$4,648 USD
Retailer 7$5,070 USD
Retailer 1$6,991 USD
Retailer 9$7,252 USD

20 data points across 11 retailers

13 retailers

Retailer 1
-
$3,341 USD
HK$26,100 HKD
Price last confirmed 19 days ago
B+
Retailer 2
-
$3,942 USD
SGD 5,327 SGD
View
Retailer 3
-
$4,285 USD
SGD 5,790 SGD
View
Price last confirmed 19 days ago
Retailer 4
-
$4,499 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$4,499 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$4,499 USD
View
Price last confirmed 25 days ago
Retailer 7
-
$4,582 USD
£3,608 GBP
View
Price last confirmed 19 days ago
Retailer 8
-
$4,620 USD
View
Price last confirmed 19 days ago
Retailer 9
-
$4,648 USD
View
Price last confirmed 19 days ago
Retailer 10
-
$5,191 USD
View
Price last confirmed 24 days ago
Retailer 11
-
$6,991 USD
£5,505 GBP
View
Price last confirmed 19 days ago
Retailer 12
-
$7,252 USD
£5,710 GBP
View
Price last confirmed 22 days ago
Most Expensive
NZ Jewellers
de3236ad-36ed-4055-899f-18e0abb11605 · Sep 30
$7,838 USD
View
Price last confirmed 33 days ago
12 more retailers have this diamond
Prices start from $3,942 USD

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
$3,942 USD