Marquise|Lab Grown|IGI

1.33ct K VS1 Marquise Lab Grown Diamond

EX • K/VS1 • IGI LG805636547

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805636547

Diamond specifications and retailer prices

From $421 USD
As of November 5, 2026
Save $548 USD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,668 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.33ct lab-grown marquise diamond

This 1.33ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805636547 or 805636547. Listed at 12 retailers as of November 4, 2026, with a 130% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
K
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805636547
Dimensions11.18 × 5.77 × 3.65 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Faint Brown
Top View
11.18 mm5.77 mm1.33 ctK / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805636547
Side View
Table 58.0%Crown 37.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,668 USD|Low: $386 USD|High: $1,761 USD|Avg: $817 USD|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3$421 USD
Retailer 7$558 USD
Retailer 6$570 USD
Retailer 4$703 USD
Retailer 5$740 USD
Retailer 2$969 USD
MOH London$1,668 USD

19 data points across 7 retailers

12 retailers$421 USD to $969 USD

Retailer 1
-
$359 USD
Price last confirmed 37 days ago
Retailer 2
-
$417 USD
View
Price last confirmed 38 days ago
B+
Retailer 3
-
$421 USD
View
Retailer 4
-
$445 USD
View
Price last confirmed 29 days ago
B+
Retailer 5
-
$558 USD
View
Retailer 6
-
$570 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$703 USD
View
Price last confirmed 14 days ago
Retailer 8
-
$740 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$969 USD
View
Retailer 10
-
$1,007 USD
View
Price last confirmed 11 days ago
Retailer 11
-
$1,432 USD
View
Price last confirmed 37 days ago
Most Expensive
MOH London
LG805636547 · Oct 26
$1,668 USD
£1,313 GBP
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from $421 USDSave up to $548 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.

B+
1.33ct Marquise
$421 USD