CaratHunter
Plans
Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG843613181

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843613181

Diamond specifications and retailer prices

From €344 EUR
HK$3,000 HKD
As of October 31, 2026
Save €981 EUR (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,325 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843613181 or 843613181. Listed at 14 retailers as of October 30, 2026, with prices from €344 to €1,325, a €981 spread on the same certified stone. Brilliant Earth lists it at €1,325. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843613181
Dimensions6.85 × 6.88 × 4.13 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
6.85 mm6.88 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843613181
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.2%

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 31
Current: €1,325 EUR|Low: €344 EUR|High: €1,325 EUR|Avg: €723 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 3€344 EUR
Retailer 4€421 EUR
Retailer 7€493 EUR
Retailer 9€511 EUR
Retailer 2€569 EUR
Retailer 11€632 EUR
Retailer 12€662 EUR
Retailer 6€998 EUR
Retailer 5€1,002 EUR
Retailer 13€1,110 EUR
Retailer 8€1,198 EUR
Retailer 10€1,204 EUR
Brilliant Earth€1,325 EUR

9 data points across 13 retailers

14 retailers€344 EUR to €1,325 EUR

A
Cheapest Retailer
-
€344 EUR
HK$3,000 HKD
A
Retailer 2
-
€421 EUR
$470 USD
View
A
Retailer 3
-
€493 EUR
View
A
Retailer 4
-
€511 EUR
ZAR 9,222 ZAR
View
B+
Retailer 5
-
€569 EUR
£500 GBP
View
B+
Retailer 6
-
€632 EUR
$706 USD
View
B+
Retailer 7
-
€662 EUR
$739 USD
View
B
Retailer 8
-
€998 EUR
A$1,716 AUD
View
B
Retailer 9
-
€1,002 EUR
$1,119 USD
View
B
Retailer 10
-
€1,020 EUR
$1,140 USD
View
B
Retailer 11
-
€1,110 EUR
$1,240 USD
View
B
Retailer 12
-
€1,198 EUR
£1,054 GBP
View
B
Retailer 13
-
€1,204 EUR
$1,345 USD
View
Most Expensive
B
Brilliant Earth
22234357A · Oct 30
€1,325 EUR
$1,480 USD
View
13 more retailers have this diamond
Prices start from €344 EURSave up to €981 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
€344 EUR