Marquise|Lab Grown|IGI

1.03ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG831695594

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831695594

Diamond specifications and retailer prices

From $180 USD
As of October 27, 2026
Save $1,293 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,473 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.03ct lab-grown marquise diamond

This 1.03ct 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 LG831695594 or 831695594. Listed at 19 retailers as of October 27, 2026, with prices from $180 to $1,473, a $1,293 spread on the same certified stone. Queensmith lists it at $1,473. 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

1.03
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831695594
Dimensions10.15 × 5.35 × 3.29 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.15 mm5.35 mm1.03 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831695594
Side View
Table 61.0%Crown 35.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.5%

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 27
Current: $1,473 USD|Low: $180 USD|High: $1,473 USD|Avg: $529 USD
Queensmith
Retailer 2
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Retailer 19
October 29, 2026
Retailer 9$180 USD
Retailer 7$202 USD
Retailer 5$209 USD
Retailer 3$224 USD
Retailer 18$224 USD
Retailer 12$282 USD
Retailer 10$302 USD
Retailer 6$334 USD
Retailer 15$384 USD
Retailer 14$401 USD
Retailer 8$464 USD
Retailer 16$546 USD
Retailer 13$629 USD
Retailer 19$719 USD
Retailer 17$760 USD
Retailer 11$773 USD
Retailer 2$1,052 USD
Retailer 4$1,131 USD
Queensmith$1,473 USD

8 data points across 19 retailers

19 retailers$180 USD to $1,473 USD

A
Cheapest Retailer
-
$180 USD
Returns within 21 days
A
Retailer 2
-
$202 USD
View
Final sale: no returns
A
Retailer 3
-
$209 USD
View
A
Retailer 4
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$224 USD
View
Returns within 30 days
A
Retailer 5
-
$224 USD
View
Returns within 30 days
A
Retailer 6
-
$282 USD
£222 GBP
View
Returns within 30 days
B+
Retailer 7
-
$302 USD
View
Returns within 30 days
A
Retailer 8
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$334 USD
View
Returns within 30 days
A
Retailer 9
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$384 USD
ZAR 6,206 ZAR
View
Returns within 7 days
A
Retailer 10
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$401 USD
£315 GBP
View
Returns within 30 days
B+
Retailer 11
-
$464 USD
View
Returns within 30 days
B+
Retailer 12
-
$546 USD
A$840 AUD
View
B+
Retailer 13
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$629 USD
A$968 AUD
View
Returns within 30 days
B
Retailer 14
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$719 USD
View
Returns within 30 days
B
Retailer 15
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$760 USD
View
Returns within 30 days
B
Retailer 16
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$773 USD
View
Returns within 90 days
B
Retailer 17
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$1,052 USD
£828 GBP
View
B
Retailer 18
-
$1,131 USD
View
Returns within 30 days
Most Expensive
B
Queensmith
LG831695594 · Oct 27
$1,473 USD
£1,160 GBP
View
Returns within 40 days
18 more retailers have this diamond
Prices start from $180 USDSave up to $1,293 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
1.03ct Marquise
$180 USD