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Round|Lab Grown|IGI

1.21ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG786625748

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786625748

Diamond specifications and retailer prices

From $185 USD
As of October 26, 2026
Save $895 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,080 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786625748 or 786625748. Listed at 17 retailers as of October 26, 2026, with prices from $185 to $1,080, a $895 spread on the same certified stone. MOH London lists it at $1,080. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786625748
Dimensions6.91 × 6.87 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.91 mm6.87 mm1.21 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786625748
Side View
Table 59.0%Crown 33.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.9%

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 26
Current: $1,080 USD|Low: $179 USD|High: $1,097 USD|Avg: $485 USD|-1.6%
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 1, 2026
Retailer 9$185 USD
Retailer 6$207 USD
Retailer 5$230 USD
Retailer 10$310 USD
Retailer 11$383 USD
Retailer 14$389 USD
Retailer 4$394 USD
Retailer 2$396 USD
Retailer 12$414 USD
Retailer 3$476 USD
Retailer 13$519 USD
Retailer 16$560 USD
Retailer 17$580 USD
Retailer 15$686 USD
Retailer 7$738 USD
Retailer 8$792 USD
MOH London$1,080 USD

30 data points across 17 retailers

17 retailers$185 USD to $1,080 USD

A
Cheapest Retailer
-
$185 USD
A
Retailer 2
-
$207 USD
View
Final sale: no returns
A
Retailer 3
-
$230 USD
View
B+
Retailer 4
-
$310 USD
View
A
Retailer 5
-
$383 USD
£302 GBP
View
A
Retailer 6
-
$389 USD
€370 EUR
View
A
Retailer 7
-
$394 USD
View
A
Retailer 8
-
$396 USD
ZAR 6,402 ZAR
View
B+
Retailer 9
-
$414 USD
£326 GBP
View
B+
Retailer 10
-
$476 USD
View
B+
Retailer 11
-
$519 USD
A$798 AUD
View
B+
Retailer 12
-
$560 USD
A$862 AUD
View
B+
Retailer 13
-
$580 USD
View
B+
Retailer 14
-
$686 USD
A$1,056 AUD
View
B+
Retailer 15
-
$738 USD
View
B
Retailer 16
-
$792 USD
View
Most Expensive
B
MOH London
LG786625748 · Oct 29
$1,080 USD
£850 GBP
View
16 more retailers have this diamond
Prices start from $185 USDSave up to $895 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 Round
$185 USD