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Marquise|Lab Grown|IGI

5.38ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG647480951

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG647480951

Diamond specifications and retailer prices

From $665 USD
As of November 2, 2026
Save $3,484 USD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,149 USD at Adiamor · As of November 2, 2026
View at Adiamor

About this 5.38ct lab-grown marquise diamond

This 5.38ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG647480951 or 647480951. Listed at 13 retailers as of November 2, 2026, with prices from $665 to $4,149, a $3,484 spread on the same certified stone. Adiamor lists it at $4,149. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.38
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647480951
Dimensions18.20 × 9.29 × 5.77 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.20 mm9.29 mm5.38 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647480951
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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: Nov 2
Current: $4,149 USD|Low: $665 USD|High: $5,671 USD|Avg: $2,255 USD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 13$665 USD
Retailer 6$723 USD
Retailer 14$771 USD
Retailer 11$876 USD
Retailer 17$909 USD
Retailer 15$950 USD
Retailer 16$1,181 USD
Retailer 2$1,233 USD
Retailer 4$1,257 USD
Retailer 7$1,441 USD
Retailer 12$1,969 USD
Retailer 3$2,168 USD
Retailer 10$3,247 USD
Adiamor$4,149 USD
Retailer 5$4,200 USD
Retailer 9$5,290 USD
Retailer 8$5,671 USD

6 data points across 17 retailers

13 retailers$665 USD to $4,149 USD

A
Cheapest Retailer
-
$665 USD
A
Retailer 2
-
$723 USD
View
A
Retailer 3
-
$771 USD
View
A
Retailer 4
-
$876 USD
£690 GBP
View
A
Retailer 5
-
$909 USD
HK$7,100 HKD
View
A
Retailer 6
-
$950 USD
View
A
Retailer 7
-
$1,181 USD
View
A
Retailer 8
-
$1,233 USD
£971 GBP
View
B+
Retailer 9
-
$1,257 USD
View
B+
Retailer 10
-
$1,969 USD
View
B
Retailer 11
-
$2,168 USD
View
B
Retailer 12
-
$3,247 USD
£2,557 GBP
View
Most Expensive
B
Adiamor
D-82832620 · Nov 2
$4,149 USD
View
12 more retailers have this diamond
Prices start from $665 USDSave up to $3,484 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
5.38ct Marquise
$665 USD