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Marquise|Lab Grown|IGI

1.04ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG639430545

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG639430545

Diamond specifications and retailer prices

From $310 USD
As of October 27, 2026
Save $2,440 USD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,750 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.04ct lab-grown marquise diamond

This 1.04ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG639430545 or 639430545. Listed at 23 retailers as of October 27, 2026, with prices from $310 to $2,750, a $2,440 spread on the same certified stone. Do Amore Diamonds lists it at $2,750. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639430545
Dimensions5.11 × 5.11 × 10.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.11 mm5.11 mm1.04 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639430545
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,144 USD|Low: $298 USD|High: $1,721 USD|Avg: $722 USD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 3$310 USD
Retailer 10$354 USD
Retailer 4$384 USD
Retailer 13$384 USD
Retailer 8$451 USD
Retailer 11$485 USD
Retailer 5$512 USD
Retailer 9$729 USD
Retailer 6$759 USD
Retailer 7$1,030 USD
Retailer 1$1,144 USD
Retailer 2$1,181 USD
Retailer 12$1,702 USD

33 data points across 13 retailers

23 retailers$310 USD to $2,750 USD

A
Retailer 1
-
$310 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$310 USD
View
A
Retailer 3
-
$354 USD
View
Final sale: no returns
A
Retailer 4
-
$360 USD
View
Price last confirmed 30 days ago
A
Retailer 5
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$384 USD
View
A
Retailer 6
-
$384 USD
View
Price last confirmed 26 days ago
A
Retailer 7
-
$451 USD
£355 GBP
View
A
Retailer 8
-
$485 USD
View
A
Retailer 9
-
$485 USD
View
A
Retailer 10
-
$512 USD
View
A
Retailer 11
-
$534 USD
View
B+
Retailer 12
-
$729 USD
ZAR 11,777 ZAR
View
B+
Retailer 13
-
$759 USD
£598 GBP
View
B+
Retailer 14
-
$1,030 USD
A$1,585 AUD
View
B+
Retailer 15
-
$1,144 USD
A$1,760 AUD
View
B
Retailer 16
-
$1,181 USD
View
B
Retailer 17
-
$1,364 USD
View
Price last confirmed 29 days ago
B
Retailer 18
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$1,364 USD
View
B
Retailer 19
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$1,523 USD
View
B
Retailer 20
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$1,540 USD
View
B
Retailer 21
-
$1,646 USD
£1,296 GBP
View
B
Retailer 22
-
$1,702 USD
£1,340 GBP
View
Most Expensive
B
Do Amore Diamonds
27-FFE5E2026 · Oct 29
$2,750 USD
View
22 more retailers have this diamond
Prices start from $310 USDSave up to $2,440 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
1.04ct Marquise
$310 USD