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Marquise|Natural|GIA

1.20ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 6562043568

Certificate GIA 6562043568

Diamond specifications and retailer prices

From $2,025 USD
SGD 2,737 SGD
As of October 31, 2026
Save $2,114 USD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,140 USD at Wholesale Diamonds Direct · As of October 27, 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 J 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 6562043568. Listed at 11 retailers as of October 27, 2026, with prices from $2,025 to $4,140, a $2,114 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,140. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle39.4°
Pavilion angle38.34°
OriginNatural
Grading LabGIA
CertificateGIA 6562043568
Dimensions10.77 × 5.52 × 3.41 mm
L/W Ratio1.95
Culet sizeNone
Top View
10.77 mm5.52 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562043568
Side View
Table 59.0%Crown 39.4°Girdle: STK-THKPavilion 38.34°Culet: NoneDepth 61.7%

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: Oct 31
Current: $3,264 USD|Low: $1,857 USD|High: $4,517 USD|Avg: $3,023 USD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
October 31, 2026
Retailer 3$1,857 USD
Retailer 9$2,025 USD
Retailer 7$2,500 USD
Retailer 6$2,535 USD
Retailer 5$2,544 USD
Retailer 2$2,770 USD
Retailer 4$2,964 USD
Retailer 10$2,985 USD
Retailer 11$3,102 USD
Retailer 1$3,264 USD
Retailer 8$3,877 USD
Wholesale Diamonds Direct$4,140 USD

33 data points across 12 retailers

11 retailers$2,025 USD to $4,140 USD

A
Cheapest Retailer
-
$2,025 USD
SGD 2,737 SGD
B+
Retailer 2
-
$2,500 USD
View
B+
Retailer 3
-
$2,535 USD
View
B+
Retailer 4
-
$2,544 USD
View
B+
Retailer 5
-
$2,770 USD
SGD 3,743 SGD
View
B+
Retailer 6
-
$2,964 USD
View
B+
Retailer 7
-
$2,985 USD
View
B+
Retailer 8
-
$3,102 USD
View
B
Retailer 9
-
$3,264 USD
€3,109 EUR
View
B
Retailer 10
-
$3,877 USD
View
Most Expensive
B
Wholesale Diamonds Direct
348918922 · Oct 27
$4,140 USD
View
10 more retailers have this diamond
Prices start from $2,025 USDSave up to $2,114 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.

A
1.20ct Marquise
$2,025 USD