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Oval|Lab Grown|IGI

3.12ct H VVS1 Oval Lab Grown Diamond

EX • H/VVS1 • IGI LG799666676

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG799666676

Diamond specifications and retailer prices

From $447 USD
As of October 31, 2026
Save $1,496 USD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,943 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.12ct lab-grown oval diamond

This 3.12ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG799666676 or 799666676. Listed at 20 retailers as of October 29, 2026, with prices from $447 to $1,943, a $1,496 spread on the same certified stone. MOH London lists it at $1,943. 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
H
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799666676
Dimensions11.75 × 8.17 × 4.98 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
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 Faint Blue
Top View
11.75 mm8.17 mm3.12 ctH / VVS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG799666676
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 61.0%

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 31
Current: $1,943 USD|Low: $383 USD|High: $1,956 USD|Avg: $990 USD|+0.5%
MOH London
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
November 1, 2026
Retailer 13$383 USD
Retailer 3$447 USD
Retailer 11$495 USD
Retailer 12$495 USD
Retailer 2$509 USD
Retailer 10$688 USD
Retailer 8$690 USD
Retailer 14$802 USD
Retailer 7$1,074 USD
Retailer 9$1,387 USD
Retailer 4$1,448 USD
Retailer 5$1,540 USD
Retailer 6$1,828 USD
MOH London$1,943 USD

38 data points across 14 retailers

20 retailers$447 USD to $1,943 USD

Retailer 1
-
$383 USD
Price last confirmed 31 days ago
Retailer 2
-
$399 USD
View
Price last confirmed 40 days ago
A
Retailer 3
-
$447 USD
View
Final sale: no returns
Retailer 4
-
$447 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$488 USD
View
Price last confirmed 40 days ago
Retailer 6
-
$495 USD
View
Price last confirmed 30 days ago
Retailer 7
-
$495 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$495 USD
View
A
Retailer 9
-
$509 USD
£401 GBP
View
B+
Retailer 10
-
$688 USD
View
A
Retailer 11
-
$690 USD
View
A
Retailer 12
-
$802 USD
View
A
Retailer 13
-
$1,074 USD
ZAR 17,345 ZAR
View
B+
Retailer 14
-
$1,387 USD
View
B+
Retailer 15
-
$1,540 USD
View
Retailer 16
-
$1,590 USD
View
Price last confirmed 25 days ago
B+
Retailer 17
-
$1,590 USD
View
B+
Retailer 18
-
$1,626 USD
View
B+
Retailer 19
-
$1,828 USD
View
Most Expensive
B+
MOH London
LG799666676 · Oct 29
$1,943 USD
£1,530 GBP
View
19 more retailers have this diamond
Prices start from $447 USDSave up to $1,496 USD

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 Oval
$447 USD