Marquise|Natural|IGI

1.20ct J VS1 Marquise Natural Diamond

VG • J/VS1 • IGI 780669590

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 780669590

Diamond specifications and retailer prices

From $1,975 USD
As of November 5, 2026
Save $3,233 USD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,208 USD at NZ Jewellers · As of November 5, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 780669590. Listed at 7 retailers as of November 5, 2026, with prices from $1,975 to $5,208, a $3,233 spread on the same certified stone. NZ Jewellers lists it at $5,208. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
J
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle43.9°
Pavilion angle39.6°
OriginNatural
Grading LabIGI
CertificateIGI 780669590
Dimensions10.50 × 5.35 × 3.49 mm
L/W Ratio1.96
Girdle conditionFaceted
Top View
10.50 mm5.35 mm1.20 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 780669590
Side View
Table 59.0%Crown 43.9°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 65.2%

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 5
Current: $5,208 USD|Low: $1,875 USD|High: $5,576 USD|Avg: $3,309 USD|+4.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$1,975 USD
Retailer 5$2,491 USD
Retailer 7$2,588 USD
Retailer 6$2,606 USD
Retailer 2$3,052 USD
Retailer 4$4,352 USD
NZ Jewellers$5,208 USD

34 data points across 7 retailers

7 retailers$1,975 USD to $5,208 USD

A
Cheapest Retailer
-
$1,975 USD
A
Retailer 2
-
$2,491 USD
View
A
Retailer 3
-
$2,588 USD
View
A
Retailer 4
-
$2,606 USD
View
B+
Retailer 5
-
$3,052 USD
View
B
Retailer 6
-
$4,352 USD
View
Most Expensive
B
NZ Jewellers
10718315-486a-47e1-8f8f-e0e43309a4d2 · Nov 5
$5,208 USD
View
6 more retailers have this diamond
Prices start from $1,975 USDSave up to $3,233 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
$1,975 USD