Marquise|Lab Grown|IGI

1.22ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG821668740

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821668740

Diamond specifications and retailer prices

From $545 USD
A$838 AUD
As of November 3, 2026
Save $210 USD (28%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,058 USD at MOH London · As of October 5, 2026
View at MOH London

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821668740 or 821668740. Listed at 11 retailers as of October 28, 2026, with a 39% 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

1.22
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821668740
Dimensions11.06 × 5.73 × 3.48 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.06 mm5.73 mm1.22 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821668740
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 60.7%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: $1,058 USD|Low: $294 USD|High: $1,830 USD|Avg: $744 USD|+0.1%
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
October 31, 2026
Retailer 11$358 USD
Retailer 3$374 USD
Retailer 6$391 USD
Retailer 10$413 USD
Retailer 2$545 USD
Retailer 13$634 USD
Retailer 12$693 USD
Retailer 7$755 USD
Retailer 8$815 USD
Retailer 9$860 USD
Retailer 5$873 USD
Retailer 14$1,052 USD
MOH London$1,058 USD
Retailer 4$1,830 USD

18 data points across 14 retailers

11 retailers$545 USD to $755 USD

Retailer 1
-
$183 USD
Price last confirmed 31 days ago
Retailer 2
-
$221 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$358 USD
HK$2,800 HKD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$545 USD
A$838 AUD
View
Retailer 5
-
$693 USD
View
Price last confirmed 26 days ago
B+
Retailer 6
-
$755 USD
View
Retailer 7
-
$815 USD
A$1,254 AUD
View
Price last confirmed 26 days ago
Retailer 8
-
$839 USD
View
Price last confirmed 33 days ago
Retailer 9
-
$860 USD
View
Price last confirmed 27 days ago
Retailer 10
-
$1,052 USD
SGD 1,422 SGD
View
Price last confirmed 27 days ago
Most Expensive
MOH London
LG821668740 · Oct 5
$1,058 USD
£833 GBP
View
Price last confirmed 28 days ago
10 more retailers have this diamond
Prices start from $545 USDSave up to $210 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+
1.22ct Marquise
$545 USD