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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG838654059

Shape and cutting style on the report: Round brilliant

Certificate IGI LG838654059

Diamond specifications and retailer prices

From €290 EUR
$324 USD
As of October 29, 2026
Save €1,894 EUR (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,184 EUR at Brilliant Earth · As of October 31, 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 LG838654059 or 838654059. Listed at 19 retailers as of October 29, 2026, with prices from €290 to €2,184, a €1,894 spread on the same certified stone. Brilliant Earth lists it at €2,184. 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 angle35.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838654059
Dimensions6.81 × 6.87 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.81 mm6.87 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838654059
Side View
Table 58.0%Crown 35.9°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 61.3%

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 29
Current: €2,184 EUR|Low: €281 EUR|High: €2,184 EUR|Avg: €849 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
Retailer 14
Retailer 15
November 1, 2026
Retailer 12€290 EUR
Retailer 5€325 EUR
Retailer 14€360 EUR
Retailer 13€483 EUR
Retailer 8€569 EUR
Retailer 11€618 EUR
Retailer 2€641 EUR
Retailer 3€650 EUR
Retailer 10€874 EUR
Retailer 9€875 EUR
Retailer 4€1,171 EUR
Retailer 6€1,244 EUR
Retailer 15€1,423 EUR
Retailer 7€1,462 EUR
Brilliant Earth€2,184 EUR

37 data points across 15 retailers

19 retailers€290 EUR to €2,184 EUR

A
Cheapest Retailer
-
€290 EUR
$324 USD
Retailer 2
-
€293 EUR
$327 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
€325 EUR
$363 USD
View
Final sale: no returns
Retailer 4
-
€339 EUR
$379 USD
View
Price last confirmed 40 days ago
Retailer 5
-
€358 EUR
$400 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
€360 EUR
$402 USD
View
A
Retailer 7
-
€483 EUR
$540 USD
View
A
Retailer 8
-
€569 EUR
View
B+
Retailer 9
-
€618 EUR
ZAR 11,159 ZAR
View
B+
Retailer 10
-
€641 EUR
£564 GBP
View
B+
Retailer 11
-
€650 EUR
$726 USD
View
B+
Retailer 12
-
€874 EUR
A$1,502 AUD
View
B+
Retailer 13
-
€875 EUR
$978 USD
View
Retailer 14
-
€1,166 EUR
$1,303 USD
View
Price last confirmed 37 days ago
B
Retailer 15
-
€1,171 EUR
SGD 1,768 SGD
View
Retailer 16
-
€1,244 EUR
$1,390 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
€1,423 EUR
$1,590 USD
View
Retailer 18
-
€1,462 EUR
£1,286 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21659255A · Oct 31
€2,184 EUR
$2,440 USD
View
18 more retailers have this diamond
Prices start from €290 EURSave up to €1,894 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
€290 EUR