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Marquise|Lab Grown|IGI

1.60ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG818660938

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818660938

Diamond specifications and retailer prices

From $284 USD
As of November 2, 2026
Save $1,356 USD (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,070 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.6ct lab-grown marquise diamond

This 1.6ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818660938 or 818660938. Listed at 25 retailers as of October 28, 2026, with a 477% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818660938
Dimensions12.64 × 6.06 × 3.69 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.64 mm6.06 mm1.60 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818660938
Side View
Table 61.0%Crown 32.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.9%

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: Nov 2
Current: $617 USD|Low: $273 USD|High: $1,675 USD|Avg: $806 USD|+1.1%
Retailer 1
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Retailer 21
November 2, 2026
Retailer 7$284 USD
Retailer 8$318 USD
Retailer 13$329 USD
Retailer 10$352 USD
Retailer 14$352 USD
Retailer 4$377 USD
Retailer 17$475 USD
Retailer 21$510 USD
Retailer 19$557 USD
Retailer 12$607 USD
Retailer 1$617 USD
Retailer 2$649 USD
Retailer 20$819 USD
Retailer 16$848 USD
Retailer 11$1,132 USD
Retailer 18$1,330 USD
Retailer 5$1,354 USD
Retailer 9$1,372 USD
Retailer 15$1,411 USD
Retailer 6$1,462 USD
Retailer 3$1,640 USD

39 data points across 21 retailers

25 retailers$284 USD to $1,640 USD

A
Cheapest Retailer
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$284 USD
A
Retailer 2
-
$318 USD
View
Final sale: no returns
A
Retailer 3
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$329 USD
View
A
Retailer 4
-
$352 USD
View
Retailer 5
-
$352 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$475 USD
View
A
Retailer 7
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$510 USD
View
A
Retailer 8
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$557 USD
€530 EUR
View
A
Retailer 9
-
$607 USD
ZAR 9,811 ZAR
View
A
Retailer 10
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$617 USD
£486 GBP
View
A
Retailer 11
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$649 USD
A$998 AUD
View
A
Retailer 12
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$697 USD
View
Retailer 13
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$746 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
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$819 USD
A$1,260 AUD
View
B+
Retailer 15
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$848 USD
View
B+
Retailer 16
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$1,132 USD
View
B+
Retailer 17
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$1,183 USD
View
B
Retailer 18
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$1,330 USD
A$2,046 AUD
View
B
Retailer 19
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$1,354 USD
View
B
Retailer 20
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$1,372 USD
£1,080 GBP
View
B
Retailer 21
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$1,411 USD
£1,111 GBP
View
B
Retailer 22
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$1,462 USD
View
B
Retailer 23
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$1,469 USD
View
B
Retailer 24
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$1,640 USD
View
Most Expensive
Brilliant Earth
20906199A · Sep 28
$2,070 USD
View
Price last confirmed 35 days ago
24 more retailers have this diamond
Prices start from $284 USDSave up to $1,356 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
$284 USD