CaratHunter
Plans
Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG828685827

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG828685827

Diamond specifications and retailer prices

From €186 EUR
$209 USD
As of October 31, 2026
Save €841 EUR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,027 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828685827 or 828685827. Listed at 15 retailers as of October 30, 2026, with prices from €186 to €1,027, a €841 spread on the same certified stone. Reve Diamonds lists it at €1,027. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828685827
Dimensions6.30 × 6.19 × 4.06 mm
L/W Ratio1.02
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
6.30 mm6.19 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828685827
Side View
Table 62.0%Crown 33.1°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 65.6%

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: €346 EUR|Low: €174 EUR|High: €1,027 EUR|Avg: €503 EUR|+5.1%
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 7€186 EUR
Retailer 6€199 EUR
Retailer 3€341 EUR
Retailer 1€346 EUR
Retailer 12€364 EUR
Retailer 8€375 EUR
Retailer 10€389 EUR
Retailer 5€485 EUR
Retailer 9€534 EUR
Retailer 4€580 EUR
Retailer 2€584 EUR
Retailer 11€597 EUR
Retailer 13€712 EUR
Retailer 14€934 EUR
Reve Diamonds€1,027 EUR

35 data points across 15 retailers

15 retailers€186 EUR to €1,027 EUR

A
Cheapest Retailer
-
€186 EUR
$209 USD
Final sale: no returns
A
Retailer 2
-
€199 EUR
$223 USD
View
A
Retailer 3
-
€341 EUR
ZAR 6,184 ZAR
View
A
Retailer 4
-
€346 EUR
View
A
Retailer 5
-
€364 EUR
$408 USD
View
A
Retailer 6
-
€375 EUR
£331 GBP
View
A
Retailer 7
-
€389 EUR
$436 USD
View
A
Retailer 8
-
€485 EUR
A$837 AUD
View
B+
Retailer 9
-
€534 EUR
$599 USD
View
B+
Retailer 10
-
€580 EUR
A$1,001 AUD
View
B+
Retailer 11
-
€584 EUR
$655 USD
View
B+
Retailer 12
-
€597 EUR
$670 USD
View
B+
Retailer 13
-
€712 EUR
$799 USD
View
B
Retailer 14
-
€934 EUR
£825 GBP
View
Most Expensive
B
Reve Diamonds
FBC391584 · Oct 30
€1,027 EUR
$1,152 USD
View
14 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
1.21ct Cushion
€186 EUR