Marquise|Lab Grown|IGI

1.20ct D VVS1 Marquise Lab Grown Diamond

VG • D/VVS1 • IGI LG836603479

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836603479

Diamond specifications and retailer prices

From $269 USD
As of November 4, 2026
Save $1,236 USD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,505 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG836603479 or 836603479. Listed at 24 retailers as of November 1, 2026, with prices from $269 to $1,505, a $1,236 spread on the same certified stone. MOH London lists it at $1,505. 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
D
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836603479
Dimensions10.79 × 5.54 × 3.52 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.79 mm5.54 mm1.20 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836603479
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.5%

Caratlytics Score

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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 4
Current: $1,505 USD|Low: $269 USD|High: $1,521 USD|Avg: $816 USD|-0.1%
MOH London
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November 4, 2026
Retailer 18$269 USD
Retailer 23$312 USD
Retailer 10$359 USD
Retailer 7$375 USD
Retailer 2$379 USD
Retailer 13$384 USD
Retailer 22$470 USD
Retailer 8$530 USD
Retailer 15$607 USD
Retailer 14$614 USD
Retailer 16$622 USD
Retailer 3$632 USD
Retailer 9$647 USD
Retailer 6$739 USD
Retailer 5$817 USD
Retailer 20$1,023 USD
Retailer 19$1,071 USD
Retailer 17$1,121 USD
Retailer 12$1,125 USD
Retailer 11$1,136 USD
Retailer 4$1,240 USD
Retailer 21$1,412 USD
MOH London$1,505 USD

14 data points across 23 retailers

24 retailers$269 USD to $1,505 USD

A
Cheapest Retailer
-
$269 USD
A
Retailer 2
-
$312 USD
View
A
Retailer 3
-
$359 USD
View
Final sale: no returns
A
Retailer 4
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$375 USD
View
A
Retailer 5
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$379 USD
View
A
Retailer 6
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$384 USD
View
A
Retailer 7
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$470 USD
View
B+
Retailer 8
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$530 USD
View
B+
Retailer 9
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$607 USD
View
Retailer 10
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$614 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
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$622 USD
View
B+
Retailer 12
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$632 USD
View
B+
Retailer 13
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$647 USD
View
B+
Retailer 14
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$739 USD
View
B
Retailer 15
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$817 USD
View
B
Retailer 16
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$945 USD
View
B
Retailer 17
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$1,023 USD
View
B
Retailer 18
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$1,071 USD
View
B
Retailer 19
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$1,121 USD
View
Retailer 20
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$1,125 USD
View
Price last confirmed 7 days ago
B
Retailer 21
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$1,136 USD
View
B
Retailer 22
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$1,240 USD
View
B
Retailer 23
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$1,412 USD
View
Most Expensive
B
MOH London
LG836603479 · Nov 1
$1,505 USD
£1,185 GBP
View
23 more retailers have this diamond
Prices start from $269 USDSave up to $1,236 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
$269 USD