Oval|Lab Grown|IGI

12.00ct H VVS2 Oval Lab Grown Diamond

EX • H/VVS2 • IGI LG677550345

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG677550345

Diamond specifications and retailer prices

From €3,522 EUR
$3,950 USD
As of November 1, 2026
Save €25 EUR (1%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €3,546 EUR at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

About this 12ct lab-grown oval diamond

This 12ct lab-grown oval sits in the over five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG677550345 or 677550345. Listed at 2 retailers as of November 1, 2026, with a relatively tight 1% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

12.00
Carat
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677550345
Dimensions18.57 × 12.66 × 7.96 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.57 mm12.66 mm12.00 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677550345
Side View
Table 60.0%Crown 37.4°Girdle: MED-THKPavilion 40°Culet: NoneDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: €3,546 EUR|Low: €2,425 EUR|High: €18,589 EUR|Avg: €5,995 EUR
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10€3,325 EUR
Retailer 9€3,439 EUR
Retailer 2€3,522 EUR
Flawless Fine Jewelry€3,546 EUR
Retailer 8€3,568 EUR
Retailer 6€3,696 EUR
Retailer 3€4,076 EUR
Retailer 4€5,942 EUR
Retailer 5€8,926 EUR
Retailer 11€9,682 EUR
Retailer 7€17,662 EUR

36 data points across 11 retailers

2 retailers€3,522 EUR to €3,546 EUR

B+
Cheapest Retailer
-
€3,522 EUR
$3,950 USD
Most Expensive
B+
Flawless Fine Jewelry
4E3354D58 · Nov 2
€3,546 EUR
£3,132 GBP
View
1 more retailer has this diamond
Prices start from €3,522 EURSave up to €25 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+
12.00ct Oval
€3,522 EUR