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Round|Lab Grown|IGI

1.21ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG656491314

Shape and cutting style on the report: Round brilliant

Certificate IGI LG656491314

Diamond specifications and retailer prices

From €191 EUR
$213 USD
As of October 29, 2026
Save €1,295 EUR (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,486 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG656491314 or 656491314. Listed at 22 retailers as of October 26, 2026, with prices from €191 to €1,486, a €1,295 spread on the same certified stone. Brilliant Earth lists it at €1,486. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656491314
Dimensions6.90 × 6.92 × 4.13 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
6.90 mm6.92 mm1.21 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656491314
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.8%

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: €1,486 EUR|Low: €191 EUR|High: €1,486 EUR|Avg: €555 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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 10€199 EUR
Retailer 15€214 EUR
Retailer 8€221 EUR
Retailer 5€236 EUR
Retailer 16€318 EUR
Retailer 13€398 EUR
Retailer 18€406 EUR
Retailer 2€436 EUR
Retailer 14€454 EUR
Retailer 6€578 EUR
Retailer 11€610 EUR
Retailer 3€735 EUR
Retailer 4€760 EUR
Retailer 7€807 EUR
Retailer 12€807 EUR
Retailer 9€987 EUR
Retailer 17€1,079 EUR
Brilliant Earth€1,486 EUR

41 data points across 18 retailers

22 retailers€191 EUR to €1,486 EUR

A
Cheapest Retailer
-
€191 EUR
$213 USD
A
Retailer 2
-
€199 EUR
$222 USD
View
A
Retailer 3
-
€214 EUR
$239 USD
View
Final sale: no returns
A
Retailer 4
-
€221 EUR
$247 USD
View
A
Retailer 5
-
€236 EUR
$264 USD
View
A
Retailer 6
-
€246 EUR
$275 USD
View
B+
Retailer 7
-
€318 EUR
$355 USD
View
A
Retailer 8
-
€398 EUR
View
A
Retailer 9
-
€406 EUR
ZAR 7,329 ZAR
View
A
Retailer 10
-
€436 EUR
£384 GBP
View
A
Retailer 11
-
€454 EUR
$507 USD
View
B+
Retailer 12
-
€578 EUR
A$993 AUD
View
B+
Retailer 13
-
€610 EUR
$681 USD
View
Retailer 14
-
€721 EUR
$806 USD
View
Price last confirmed 34 days ago
B+
Retailer 15
-
€735 EUR
$821 USD
View
B
Retailer 16
-
€760 EUR
$849 USD
View
B
Retailer 17
-
€807 EUR
$902 USD
View
B
Retailer 18
-
€807 EUR
$902 USD
View
B
Retailer 19
-
€987 EUR
£868 GBP
View
B
Retailer 20
-
€1,079 EUR
$1,205 USD
View
B
Retailer 21
-
€1,486 EUR
$1,660 USD
View
Most Expensive
B
Brilliant Earth
20628276A · Oct 26
€1,486 EUR
$1,660 USD
View
21 more retailers have this diamond
Prices start from €191 EURSave up to €1,295 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
€191 EUR