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 €186 EUR
$208 USD
As of October 30, 2026
Save €841 EUR (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,910 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 October 30, 2026, with a 452% 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
Color
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €372 EUR|Low: €159 EUR|High: €975 EUR|Avg: €426 EUR|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 11€166 EUR
Retailer 12€206 EUR
Retailer 3€229 EUR
Retailer 2€277 EUR
Retailer 6€349 EUR
Retailer 5€351 EUR
Retailer 7€354 EUR
Retailer 1€372 EUR
Retailer 8€503 EUR
Retailer 10€525 EUR
Retailer 4€662 EUR
Retailer 9€965 EUR

37 data points across 12 retailers

23 retailers€186 EUR to €1,027 EUR

Retailer 1
-
€166 EUR
$186 USD
Price last confirmed 13 days ago
A
Retailer 2
-
€186 EUR
$208 USD
View
Final sale: no returns
A
Retailer 3
-
€192 EUR
$215 USD
View
Retailer 4
-
€206 EUR
$230 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
€206 EUR
$230 USD
View
A
Retailer 6
-
€229 EUR
HK$2,000 HKD
View
B+
Retailer 7
-
€277 EUR
$310 USD
View
A
Retailer 8
-
€346 EUR
$387 USD
View
A
Retailer 9
-
€349 EUR
View
A
Retailer 10
-
€351 EUR
£309 GBP
View
A
Retailer 11
-
€354 EUR
ZAR 6,385 ZAR
View
B+
Retailer 12
-
€372 EUR
£327 GBP
View
B+
Retailer 13
-
€426 EUR
$476 USD
View
B+
Retailer 14
-
€503 EUR
A$864 AUD
View
B+
Retailer 15
-
€525 EUR
$587 USD
View
Retailer 16
-
€662 EUR
$740 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
€671 EUR
SGD 1,013 SGD
View
B
Retailer 18
-
€689 EUR
$770 USD
View
B
Retailer 19
-
€711 EUR
$794 USD
View
Retailer 20
-
€779 EUR
$870 USD
View
Price last confirmed 41 days ago
B
Retailer 21
-
€965 EUR
£849 GBP
View
B
Retailer 22
-
€1,027 EUR
$1,148 USD
View
Most Expensive
Queensmith
LG818644850 · Oct 27
€1,910 EUR
£1,680 GBP
View
Price under review
22 more retailers have this diamond
Prices start from €186 EURSave up to €841 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
€186 EUR