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Radiant|Lab Grown|IGI

12.13ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG577377304

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

Certificate IGI LG577377304

Diamond specifications and retailer prices

From €3,776 EUR
$4,219 USD
As of October 31, 2026
Save €13,857 EUR (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €17,633 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 12.13ct lab-grown radiant diamond

This 12.13ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577377304 or 577377304. Listed at 15 retailers as of October 30, 2026, with prices from €3,776 to €17,633, a €13,857 spread on the same certified stone. Brilliant Earth lists it at €17,633. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.13
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577377304
Dimensions16.42 × 11.05 × 7.52 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.42 mm11.05 mm12.13 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577377304
Side View
Table 65.5%Crown 43.5°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €17,633 EUR|Low: €1,467 EUR|High: €18,179 EUR|Avg: €4,855 EUR|-3.0%
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
October 31, 2026
Retailer 6€2,055 EUR
Retailer 14€2,129 EUR
Retailer 5€2,568 EUR
Retailer 9€2,981 EUR
Retailer 11€3,164 EUR
Retailer 10€3,266 EUR
Retailer 13€3,332 EUR
Retailer 7€3,776 EUR
Retailer 3€3,950 EUR
Retailer 4€4,038 EUR
Retailer 2€4,504 EUR
Retailer 12€5,738 EUR
Retailer 8€8,152 EUR
Brilliant Earth€17,633 EUR

25 data points across 14 retailers

15 retailers€3,776 EUR to €17,633 EUR

Retailer 1
-
€1,762 EUR
$1,969 USD
Price last confirmed 30 days ago
Retailer 2
-
€2,129 EUR
$2,379 USD
View
Price last confirmed 29 days ago
Retailer 3
-
€2,927 EUR
$3,270 USD
View
Price last confirmed 31 days ago
Retailer 4
-
€2,981 EUR
£2,623 GBP
View
Price last confirmed 17 days ago
Retailer 5
-
€3,266 EUR
ZAR 58,945 ZAR
View
Price last confirmed 17 days ago
Retailer 6
-
€3,416 EUR
$3,816 USD
View
Price last confirmed 16 days ago
B+
Retailer 7
-
€3,776 EUR
$4,219 USD
View
Retailer 8
-
€3,950 EUR
A$6,789 AUD
View
Price last confirmed 33 days ago
Retailer 9
-
€4,038 EUR
£3,552 GBP
View
Price last confirmed 17 days ago
B+
Retailer 10
-
€4,504 EUR
View
Retailer 11
-
€5,738 EUR
$6,410 USD
View
Price last confirmed 17 days ago
Retailer 12
-
€6,060 EUR
$6,770 USD
View
Price last confirmed 18 days ago
Retailer 13
-
€7,450 EUR
$8,323 USD
View
Price last confirmed 17 days ago
B
Retailer 14
-
€8,152 EUR
$9,107 USD
View
Most Expensive
B
Brilliant Earth
14113636A · Oct 30
€17,633 EUR
$19,700 USD
View
14 more retailers have this diamond
Prices start from €3,776 EURSave up to €13,857 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.

B+
12.13ct Radiant
€3,776 EUR