Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG835649621

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG835649621

Diamond specifications and retailer prices

From €188 EUR
$210 USD
As of October 30, 2026
Save €1,378 EUR (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,566 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG835649621 or 835649621. Listed at 18 retailers as of October 30, 2026, with prices from €188 to €1,566, a €1,378 spread on the same certified stone. Brilliant Earth lists it at €1,566. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835649621
Dimensions7.78 × 5.29 × 3.55 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.29 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835649621
Side View
Table 66.0%Crown 42°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.1%

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: €1,566 EUR|Low: €157 EUR|High: €1,710 EUR|Avg: €661 EUR|+2.3%
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 4€188 EUR
Retailer 11€195 EUR
Retailer 16€238 EUR
Retailer 13€282 EUR
Retailer 8€358 EUR
Retailer 12€378 EUR
Retailer 2€389 EUR
Retailer 15€497 EUR
Retailer 9€518 EUR
Retailer 18€529 EUR
Retailer 14€672 EUR
Retailer 6€682 EUR
Retailer 17€699 EUR
Retailer 3€718 EUR
Retailer 10€838 EUR
Retailer 7€958 EUR
Retailer 5€980 EUR
Brilliant Earth€1,566 EUR

26 data points across 18 retailers

18 retailers€188 EUR to €1,566 EUR

A
Cheapest Retailer
-
€188 EUR
$210 USD
Final sale: no returns
A
Retailer 2
-
€195 EUR
$218 USD
View
A
Retailer 3
-
€238 EUR
£210 GBP
View
B+
Retailer 4
-
€282 EUR
$315 USD
View
Retailer 5
-
€358 EUR
ZAR 6,464 ZAR
View
Price last confirmed 14 days ago
A
Retailer 6
-
€378 EUR
£333 GBP
View
A
Retailer 7
-
€389 EUR
View
A
Retailer 8
-
€497 EUR
$555 USD
View
Retailer 9
-
€518 EUR
A$890 AUD
View
Price last confirmed 14 days ago
A
Retailer 10
-
€529 EUR
$591 USD
View
B+
Retailer 11
-
€672 EUR
$751 USD
View
B+
Retailer 12
-
€682 EUR
SGD 1,029 SGD
View
B+
Retailer 13
-
€699 EUR
$781 USD
View
B+
Retailer 14
-
€718 EUR
$802 USD
View
Retailer 15
-
€838 EUR
A$1,441 AUD
View
Price last confirmed 27 days ago
Retailer 16
-
€958 EUR
$1,070 USD
View
Price last confirmed 13 days ago
B+
Retailer 17
-
€980 EUR
£862 GBP
View
Most Expensive
B
Brilliant Earth
21565343A · Oct 30
€1,566 EUR
$1,750 USD
View
17 more retailers have this diamond
Prices start from €188 EURSave up to €1,378 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
1.23ct Radiant
€188 EUR