Round|Lab Grown|IGI

1.20ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG818644850

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644850

Diamond specifications and retailer prices

From €165 EUR
As of November 3, 2026
Save €853 EUR (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,894 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round 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 LG818644850 or 818644850. Listed at 23 retailers as of November 3, 2026, with a 517% 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

1.20
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644850
Dimensions6.79 × 6.82 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.79 mm6.82 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644850
Side View
Table 55.0%Crown 34.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.0%

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 3
Current: €365 EUR|Low: €158 EUR|High: €967 EUR|Avg: €409 EUR|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 11€165 EUR
Retailer 2€204 EUR
Retailer 3€275 EUR
Retailer 5€345 EUR
Retailer 6€345 EUR
Retailer 9€352 EUR
Retailer 1€365 EUR
Retailer 8€498 EUR
Retailer 7€527 EUR
Retailer 10€746 EUR
Retailer 4€952 EUR

36 data points across 11 retailers

23 retailers€165 EUR to €1,018 EUR

A
Cheapest Retailer
-
€165 EUR
A
Retailer 2
-
€185 EUR
View
Final sale: no returns
A
Retailer 3
-
€191 EUR
View
A
Retailer 4
-
€204 EUR
View
Retailer 5
-
€204 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
-
€227 EUR
View
B+
Retailer 7
-
€275 EUR
View
A
Retailer 8
-
€343 EUR
View
A
Retailer 9
-
€345 EUR
View
A
Retailer 10
-
€345 EUR
View
A
Retailer 11
-
€352 EUR
View
B+
Retailer 12
-
€365 EUR
View
B+
Retailer 13
-
€422 EUR
View
B+
Retailer 14
-
€498 EUR
View
B+
Retailer 15
-
€527 EUR
View
B
Retailer 16
-
€657 EUR
View
B
Retailer 17
-
€665 EUR
View
B
Retailer 18
-
€683 EUR
View
B
Retailer 19
-
€705 EUR
View
B
Retailer 20
-
€746 EUR
View
B
Retailer 21
-
€952 EUR
View
B
Retailer 22
-
€1,018 EUR
View
Most Expensive
Queensmith
LG818644850 · Oct 27
€1,894 EUR
£1,680 GBP
View
Price under review
22 more retailers have this diamond
Prices start from €165 EURSave up to €853 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
1.20ct Round
€165 EUR