Marquise|Lab Grown|IGI

1.20ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG839611392

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839611392

Diamond specifications and retailer prices

From $171 USD
As of October 23, 2026
Save $931 USD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,102 USD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG839611392 or 839611392. Listed at 19 retailers as of October 23, 2026, with prices from $171 to $1,102, a $931 spread on the same certified stone. Reve Diamonds lists it at $1,102. 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
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.8°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839611392
Dimensions11.65 × 5.62 × 3.09 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.65 mm5.62 mm1.20 ctE / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839611392
Side View
Table 65.0%Crown 32.8°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 55.0%

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: Oct 23
Current: $354 USD|Low: $164 USD|High: $1,102 USD|Avg: $492 USD
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Retailer 19
Reve Diamonds
October 27, 2026
Retailer 2$171 USD
Retailer 5$190 USD
Retailer 19$199 USD
Retailer 3$212 USD
Retailer 6$243 USD
Retailer 16$267 USD
Retailer 1$354 USD
Retailer 14$359 USD
Retailer 12$376 USD
Retailer 18$379 USD
Retailer 10$422 USD
Retailer 9$461 USD
Retailer 15$620 USD
Retailer 4$682 USD
Retailer 8$698 USD
Retailer 7$700 USD
Retailer 17$721 USD
Retailer 11$737 USD
Retailer 13$993 USD
Reve Diamonds$1,102 USD

25 data points across 20 retailers

19 retailers$171 USD to $1,102 USD

A
Cheapest Retailer
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$171 USD
A
Retailer 2
-
$199 USD
View
A
Retailer 3
-
$212 USD
View
A
Retailer 4
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$243 USD
HK$1,900 HKD
View
Retailer 5
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$267 USD
£210 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
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$354 USD
€337 EUR
View
A
Retailer 7
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$359 USD
ZAR 5,796 ZAR
View
A
Retailer 8
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$376 USD
£296 GBP
View
B+
Retailer 9
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$379 USD
View
B+
Retailer 10
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$422 USD
View
B+
Retailer 11
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$461 USD
View
B+
Retailer 12
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$620 USD
View
B
Retailer 13
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$682 USD
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B
Retailer 14
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$698 USD
SGD 943 SGD
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B
Retailer 15
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$700 USD
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B
Retailer 16
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$721 USD
View
B
Retailer 17
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$737 USD
View
B
Retailer 18
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$993 USD
£782 GBP
View
Most Expensive
B
Reve Diamonds
8A4AB0110 · Oct 25
$1,102 USD
View
18 more retailers have this diamond
Prices start from $171 USDSave up to $931 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
$171 USD