Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

VG • E/IF • IGI LG838608831

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838608831

Diamond specifications and retailer prices

From $342 USD
As of October 27, 2026
Save $2,698 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,040 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG838608831 or 838608831. Listed at 21 retailers as of October 27, 2026, with prices from $342 to $3,040, a $2,698 spread on the same certified stone. Do Amore Diamonds lists it at $3,040. 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
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838608831
Dimensions10.47 × 5.35 × 3.29 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.47 mm5.35 mm1.03 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838608831
Side View
Table 62.0%Crown 35°Girdle: THN-MEDPavilion 40.5°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: $3,040 USD|Low: $342 USD|High: $3,040 USD|Avg: $1,018 USD
Do Amore Diamonds
Retailer 2
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Retailer 21
October 29, 2026
Retailer 7$342 USD
Retailer 8$394 USD
Retailer 3$397 USD
Retailer 11$424 USD
Retailer 20$424 USD
Retailer 21$484 USD
Retailer 16$498 USD
Retailer 10$566 USD
Retailer 6$571 USD
Retailer 18$575 USD
Retailer 17$805 USD
Retailer 13$845 USD
Retailer 15$1,142 USD
Retailer 2$1,165 USD
Retailer 5$1,245 USD
Retailer 4$1,506 USD
Retailer 12$1,642 USD
Retailer 14$1,661 USD
Retailer 9$1,840 USD
Retailer 19$1,960 USD
Do Amore Diamonds$3,040 USD

13 data points across 21 retailers

21 retailers$342 USD to $3,040 USD

A
Cheapest Retailer
-
$342 USD
A
Retailer 2
-
$394 USD
View
Final sale: no returns
A
Retailer 3
-
$397 USD
View
A
Retailer 4
-
$424 USD
View
A
Retailer 5
-
$424 USD
View
A
Retailer 6
-
$484 USD
View
A
Retailer 7
-
$498 USD
£392 GBP
View
A
Retailer 8
-
$566 USD
View
A
Retailer 9
-
$571 USD
View
A
Retailer 10
-
$575 USD
View
B+
Retailer 11
-
$805 USD
ZAR 13,007 ZAR
View
B+
Retailer 12
-
$845 USD
£665 GBP
View
B+
Retailer 13
-
$1,142 USD
A$1,757 AUD
View
B
Retailer 14
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$1,165 USD
A$1,793 AUD
View
B
Retailer 15
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$1,245 USD
View
B
Retailer 16
-
$1,506 USD
View
B
Retailer 17
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$1,642 USD
View
B
Retailer 18
-
$1,661 USD
View
B
Retailer 19
-
$1,840 USD
£1,449 GBP
View
B
Retailer 20
-
$1,960 USD
View
Most Expensive
B
Do Amore Diamonds
27-F6D4EC4CA · Oct 29
$3,040 USD
View
20 more retailers have this diamond
Prices start from $342 USDSave up to $2,698 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
$342 USD