Radiant|Lab Grown|IGI

3.12ct D VS2 Radiant Lab Grown Diamond

EX • D/VS2 • IGI LG821637509

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

Certificate IGI LG821637509

Diamond specifications and retailer prices

From €388 EUR
$433 USD
As of October 27, 2026
Save €1,412 EUR (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,799 EUR at Brilliance · As of October 27, 2026
View at Brilliance

About this 3.12ct lab-grown radiant diamond

This 3.12ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821637509 or 821637509. Listed at 17 retailers as of October 27, 2026, with prices from €388 to €1,799, a €1,412 spread on the same certified stone. Brilliance lists it at €1,799. 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

3.12
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821637509
Dimensions10.47 × 7.10 × 4.46 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.47 mm7.10 mm3.12 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821637509
Side View
Table 67.0%Crown 44.9°Girdle: MED-STKPavilion 30.5°Culet: NoneDepth 62.8%

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 27
Current: €1,799 EUR|Low: €481 EUR|High: €1,826 EUR|Avg: €1,139 EUR
Brilliance
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 29, 2026
Retailer 13€481 EUR
Retailer 9€609 EUR
Retailer 8€632 EUR
Retailer 12€644 EUR
Retailer 2€791 EUR
Retailer 10€803 EUR
Retailer 3€1,170 EUR
Retailer 11€1,348 EUR
Retailer 5€1,405 EUR
Retailer 4€1,525 EUR
Retailer 14€1,545 EUR
Retailer 6€1,574 EUR
Retailer 7€1,774 EUR
Brilliance€1,799 EUR

43 data points across 14 retailers

17 retailers€388 EUR to €1,799 EUR

A
Cheapest Retailer
-
€388 EUR
$433 USD
A
Retailer 2
-
€434 EUR
$485 USD
View
A
Retailer 3
-
€481 EUR
$537 USD
View
A
Retailer 4
-
€481 EUR
$537 USD
View
A
Retailer 5
-
€609 EUR
$680 USD
View
A
Retailer 6
-
€632 EUR
£556 GBP
View
B+
Retailer 7
-
€644 EUR
$720 USD
View
A
Retailer 8
-
€791 EUR
£696 GBP
View
Retailer 9
-
€803 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
€1,170 EUR
$1,307 USD
View
B+
Retailer 11
-
€1,348 EUR
$1,506 USD
View
B+
Retailer 12
-
€1,405 EUR
£1,236 GBP
View
B+
Retailer 13
-
€1,525 EUR
SGD 2,302 SGD
View
B+
Retailer 14
-
€1,545 EUR
$1,726 USD
View
Retailer 15
-
€1,574 EUR
$1,758 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
€1,774 EUR
£1,561 GBP
View
Most Expensive
B
Brilliance
D44182452 · Oct 27
€1,799 EUR
$2,010 USD
View
16 more retailers have this diamond
Prices start from €388 EURSave up to €1,412 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
3.12ct Radiant
€388 EUR