CaratHunter
Plans
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 $1,182 NZD
$665 USD
As of November 2, 2026
Save $6,192 NZD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,374 NZD 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 $1,182 to $7,374, a $6,192 spread on the same certified stone. Adiamor lists it at $7,374. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $7,374 NZD|Low: $1,182 NZD|High: $10,078 NZD|Avg: $4,008 NZD
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$1,182 NZD
Retailer 6$1,285 NZD
Retailer 14$1,370 NZD
Retailer 2$1,557 NZD
Retailer 17$1,615 NZD
Retailer 15$1,688 NZD
Retailer 16$2,099 NZD
Retailer 10$2,192 NZD
Retailer 4$2,234 NZD
Retailer 7$2,560 NZD
Retailer 12$3,500 NZD
Retailer 3$3,853 NZD
Retailer 11$5,772 NZD
Adiamor$7,374 NZD
Retailer 5$7,465 NZD
Retailer 9$9,402 NZD
Retailer 8$10,078 NZD

6 data points across 17 retailers

13 retailers$1,182 NZD to $7,374 NZD

A
Cheapest Retailer
-
$1,182 NZD
$665 USD
A
Retailer 2
-
$1,285 NZD
$723 USD
View
A
Retailer 3
-
$1,370 NZD
$771 USD
View
A
Retailer 4
-
$1,557 NZD
£690 GBP
View
A
Retailer 5
-
$1,615 NZD
HK$7,100 HKD
View
A
Retailer 6
-
$1,688 NZD
$950 USD
View
A
Retailer 7
-
$2,099 NZD
$1,181 USD
View
A
Retailer 8
-
$2,192 NZD
£971 GBP
View
B+
Retailer 9
-
$2,234 NZD
$1,257 USD
View
B+
Retailer 10
-
$3,500 NZD
$1,969 USD
View
B
Retailer 11
-
$3,853 NZD
$2,168 USD
View
B
Retailer 12
-
$5,772 NZD
£2,557 GBP
View
Most Expensive
B
Adiamor
D-82832620 · Nov 2
$7,374 NZD
$4,149 USD
View
12 more retailers have this diamond
Prices start from $1,182 NZDSave up to $6,192 NZD

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
$1,182 NZD