CaratHunter
Plans
Marquise|Lab Grown|IGI

5.52ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG645467658

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG645467658

Diamond specifications and retailer prices

From $649 USD
As of October 30, 2026
Save $2,521 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,170 USD at MOH London · As of November 1, 2026
View at MOH London

About this 5.52ct lab-grown marquise diamond

This 5.52ct 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 LG645467658 or 645467658. Listed at 13 retailers as of October 30, 2026, with prices from $649 to $3,170, a $2,521 spread on the same certified stone. MOH London lists it at $3,170. 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

5.52
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645467658
Dimensions18.32 × 9.15 × 5.81 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.32 mm9.15 mm5.52 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645467658
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

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 30
Current: $3,170 USD|Low: $649 USD|High: $7,810 USD|Avg: $2,235 USD
MOH London
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 12$649 USD
Retailer 6$706 USD
Retailer 13$752 USD
Retailer 10$855 USD
Retailer 16$896 USD
Retailer 14$930 USD
Retailer 15$1,168 USD
Retailer 2$1,202 USD
Retailer 4$1,228 USD
Retailer 7$1,489 USD
Retailer 11$1,922 USD
Retailer 3$2,115 USD
Retailer 17$2,229 USD
MOH London$3,170 USD
Retailer 5$3,865 USD
Retailer 9$5,818 USD
Retailer 8$7,810 USD

6 data points across 17 retailers

13 retailers$649 USD to $3,170 USD

A
Cheapest Retailer
-
$649 USD
A
Retailer 2
-
$706 USD
View
A
Retailer 3
-
$752 USD
View
A
Retailer 4
-
$855 USD
£673 GBP
View
A
Retailer 5
-
$896 USD
HK$7,000 HKD
View
A
Retailer 6
-
$930 USD
View
A
Retailer 7
-
$1,168 USD
View
A
Retailer 8
-
$1,202 USD
£947 GBP
View
B+
Retailer 9
-
$1,228 USD
View
B+
Retailer 10
-
$1,922 USD
View
B+
Retailer 11
-
$2,115 USD
View
B
Retailer 12
-
$2,229 USD
View
Most Expensive
B
MOH London
LG645467658 · Nov 1
$3,170 USD
£2,496 GBP
View
12 more retailers have this diamond
Prices start from $649 USDSave up to $2,521 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
5.52ct Marquise
$649 USD