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Marquise|Natural|IGI

1.60ct G SI2 Marquise Natural Diamond

EX • G/SI2 • IGI 813642125

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 813642125

Diamond specifications and retailer prices

From $3,281 USD
SGD 4,434 SGD
As of October 31, 2026
Save $2,699 USD (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,981 USD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1.6ct natural marquise diamond

This 1.6ct natural marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 813642125. Listed at 7 retailers as of October 27, 2026, with prices from $3,281 to $5,981, a $2,699 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,981. 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

1.60
Carat
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.8°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 813642125
Dimensions11.44 × 6.17 × 3.85 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
11.44 mm6.17 mm1.60 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 813642125
Side View
Table 60.0%Crown 35.8°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $4,303 USD|Low: $2,922 USD|High: $6,960 USD|Avg: $4,465 USD|-13.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
October 28, 2026
Retailer 6$2,922 USD
Retailer 3$3,281 USD
Retailer 2$3,442 USD
Retailer 5$3,535 USD
Retailer 4$4,166 USD
Retailer 1$4,303 USD
Retailer 8$4,632 USD
Retailer 7$5,820 USD
Wholesale Diamonds Direct$5,981 USD

33 data points across 9 retailers

7 retailers$3,281 USD to $5,981 USD

A
Cheapest Retailer
-
$3,281 USD
SGD 4,434 SGD
A
Retailer 2
-
$3,442 USD
View
Retailer 3
-
$3,535 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$4,166 USD
View
A
Retailer 5
-
$4,303 USD
€4,098 EUR
View
A
Retailer 6
-
$4,632 USD
View
Most Expensive
A
Wholesale Diamonds Direct
585209233 · Oct 27
$5,981 USD
View
6 more retailers have this diamond
Prices start from $3,281 USDSave up to $2,699 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
1.60ct Marquise
$3,281 USD