CaratHunter
Plans
Round|Lab Grown|IGI

1.21ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG783646807

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783646807

Diamond specifications and retailer prices

From €181 EUR
$202 USD
As of November 1, 2026
Save €865 EUR (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,046 EUR at MOH London · As of November 1, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783646807 or 783646807. Listed at 17 retailers as of November 1, 2026, with prices from €181 to €1,046, a €865 spread on the same certified stone. MOH London lists it at €1,046. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783646807
Dimensions6.88 × 6.86 × 4.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.88 mm6.86 mm1.21 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783646807
Side View
Table 57.0%Crown 33.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.0%

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: €1,046 EUR|Low: €174 EUR|High: €1,058 EUR|Avg: €487 EUR|-1.1%
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
November 1, 2026
Retailer 10€181 EUR
Retailer 12€224 EUR
Retailer 5€370 EUR
Retailer 2€386 EUR
Retailer 13€388 EUR
Retailer 7€410 EUR
Retailer 3€442 EUR
Retailer 6€470 EUR
Retailer 11€537 EUR
Retailer 8€547 EUR
Retailer 9€576 EUR
Retailer 4€806 EUR
MOH London€1,046 EUR

29 data points across 13 retailers

17 retailers€181 EUR to €1,046 EUR

A
Cheapest Retailer
-
€181 EUR
$202 USD
A
Retailer 2
-
€209 EUR
$234 USD
View
Retailer 3
-
€224 EUR
$250 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€224 EUR
$250 USD
View
A
Retailer 5
-
€370 EUR
$413 USD
View
A
Retailer 6
-
€386 EUR
ZAR 6,971 ZAR
View
A
Retailer 7
-
€388 EUR
$433 USD
View
B+
Retailer 8
-
€410 EUR
View
B+
Retailer 9
-
€442 EUR
$494 USD
View
B+
Retailer 10
-
€470 EUR
$525 USD
View
B+
Retailer 11
-
€537 EUR
$600 USD
View
B+
Retailer 12
-
€547 EUR
A$940 AUD
View
B+
Retailer 13
-
€576 EUR
$643 USD
View
B
Retailer 14
-
€719 EUR
$803 USD
View
B
Retailer 15
-
€767 EUR
$857 USD
View
B
Retailer 16
-
€823 EUR
$919 USD
View
Most Expensive
B
MOH London
LG783646807 · Nov 1
€1,046 EUR
£920 GBP
View
16 more retailers have this diamond
Prices start from €181 EURSave up to €865 EUR

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
€181 EUR