Marquise|Lab Grown|IGI

1.02ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG831617383

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831617383

Diamond specifications and retailer prices

From $165 USD
As of October 23, 2026
Save $1,308 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,473 USD at Queensmith · As of October 25, 2026
View at Queensmith

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831617383 or 831617383. Listed at 18 retailers as of October 23, 2026, with prices from $165 to $1,473, a $1,308 spread on the same certified stone. Queensmith lists it at $1,473. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831617383
Dimensions11.42 × 5.16 × 3.11 mm
L/W Ratio2.21
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.42 mm5.16 mm1.02 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831617383
Side View
Table 55.0%Crown 33.2°Girdle: THN-MEDPavilion 38°Culet: NoneDepth 60.3%

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 23
Current: $1,473 USD|Low: $165 USD|High: $37,487 USD|Avg: $1,087 USD
Queensmith
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 26, 2026
Retailer 3$165 USD
Retailer 17$191 USD
Retailer 12$256 USD
Retailer 8$334 USD
Retailer 14$343 USD
Retailer 15$346 USD
Retailer 11$351 USD
Retailer 2$368 USD
Retailer 5$399 USD
Retailer 13$439 USD
Retailer 6$447 USD
Retailer 18$657 USD
Retailer 4$694 USD
Retailer 9$712 USD
Retailer 7$730 USD
Retailer 16$961 USD
Retailer 10$1,082 USD
Queensmith$1,473 USD

21 data points across 18 retailers

18 retailers$165 USD to $1,473 USD

A
Cheapest Retailer
-
$165 USD
A
Retailer 2
-
$191 USD
View
A
Retailer 3
-
$256 USD
£202 GBP
View
A
Retailer 4
-
$334 USD
View
A
Retailer 5
-
$343 USD
€327 EUR
View
A
Retailer 6
-
$346 USD
ZAR 5,586 ZAR
View
A
Retailer 7
-
$351 USD
£276 GBP
View
B+
Retailer 8
-
$368 USD
View
A
Retailer 9
-
$399 USD
View
B+
Retailer 10
-
$439 USD
£346 GBP
View
B+
Retailer 11
-
$447 USD
View
B
Retailer 12
-
$657 USD
View
B
Retailer 13
-
$694 USD
View
B
Retailer 14
-
$712 USD
View
B
Retailer 15
-
$730 USD
View
B
Retailer 16
-
$961 USD
£757 GBP
View
Price last confirmed 8 days ago
B
Retailer 17
-
$1,082 USD
View
Most Expensive
B
Queensmith
LG831617383 · Oct 25
$1,473 USD
£1,160 GBP
View
17 more retailers have this diamond
Prices start from $165 USDSave up to $1,308 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
1.02ct Marquise
$165 USD