CaratHunter
Plans
Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG816674414

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816674414

Diamond specifications and retailer prices

From $209 USD
As of November 1, 2026
Save $881 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,090 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.21ct lab-grown marquise diamond

This 1.21ct 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 LG816674414 or 816674414. Listed at 16 retailers as of October 29, 2026, with prices from $209 to $1,090, a $881 spread on the same certified stone. MOH London lists it at $1,090. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816674414
Dimensions10.39 × 5.55 × 3.55 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.39 mm5.55 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816674414
Side View
Table 60.0%Crown 34.4°Girdle: STK-THKPavilion 41°Culet: NoneDepth 64.0%

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 1
Current: $1,090 USD|Low: $209 USD|High: $1,140 USD|Avg: $607 USD|-4.2%
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
November 2, 2026
Retailer 11$209 USD
Retailer 8$310 USD
Retailer 13$312 USD
Retailer 12$400 USD
Retailer 6$415 USD
Retailer 10$417 USD
Retailer 3$461 USD
Retailer 15$478 USD
Retailer 9$566 USD
Retailer 14$745 USD
Retailer 2$748 USD
Retailer 7$750 USD
Retailer 5$779 USD
Retailer 4$799 USD
MOH London$1,090 USD

38 data points across 15 retailers

16 retailers$209 USD to $1,090 USD

A
Cheapest Retailer
-
$209 USD
Final sale: no returns
A
Retailer 2
-
$310 USD
£244 GBP
View
B+
Retailer 3
-
$312 USD
View
A
Retailer 4
-
$400 USD
ZAR 6,465 ZAR
View
Retailer 5
-
$415 USD
€395 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
$417 USD
£328 GBP
View
A
Retailer 7
-
$461 USD
View
A
Retailer 8
-
$478 USD
View
B+
Retailer 9
-
$566 USD
A$870 AUD
View
B+
Retailer 10
-
$745 USD
View
B+
Retailer 11
-
$748 USD
View
Retailer 12
-
$750 USD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
$779 USD
A$1,199 AUD
View
B
Retailer 14
-
$799 USD
View
B
Retailer 15
-
$990 USD
View
Most Expensive
B
MOH London
LG816674414 · Oct 29
$1,090 USD
£858 GBP
View
15 more retailers have this diamond
Prices start from $209 USDSave up to $881 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
1.21ct Marquise
$209 USD