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Oval|Lab Grown|IGI

3.12ct I VVS2 Oval Lab Grown Diamond

ID • I/VVS2 • IGI LG843642138

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843642138

Diamond specifications and retailer prices

From $1,323 USD
As of October 29, 2026
Save $4,068 USD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,391 USD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 3.12ct lab-grown oval diamond

This 3.12ct lab-grown oval sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843642138 or 843642138. Listed at 13 retailers as of October 28, 2026, with prices from $1,323 to $5,391, a $4,068 spread on the same certified stone. Taylor and Hart lists it at $5,391. 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
I
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843642138
Dimensions12.79 × 7.46 × 4.91 mm
L/W Ratio1.71
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.79 mm7.46 mm3.12 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843642138
Side View
Table 62.0%Crown 40.8°Girdle: STK-THKPavilion 43.1°Culet: LargeDepth 65.8%

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 29
Current: $1,528 USD|Low: $1,323 USD|High: $5,882 USD|Avg: $2,956 USD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 5$1,323 USD
Retailer 1$1,528 USD
Retailer 10$1,535 USD
Retailer 3$1,567 USD
Retailer 7$1,705 USD
Retailer 4$1,966 USD
Retailer 11$2,000 USD
Retailer 12$3,033 USD
Retailer 2$3,132 USD
Retailer 6$3,564 USD
Retailer 8$3,703 USD
Retailer 9$4,957 USD
Taylor and Hart$5,391 USD

11 data points across 13 retailers

13 retailers$1,323 USD to $5,391 USD

A
Cheapest Retailer
-
$1,323 USD
A
Retailer 2
-
$1,528 USD
View
A
Retailer 3
-
$1,535 USD
View
B+
Retailer 4
-
$1,567 USD
View
B+
Retailer 5
-
$1,705 USD
View
B+
Retailer 6
-
$1,966 USD
View
B+
Retailer 7
-
$2,000 USD
View
B
Retailer 8
-
$3,033 USD
View
B
Retailer 9
-
$3,132 USD
View
B
Retailer 10
-
$3,564 USD
ZAR 57,569 ZAR
View
B
Retailer 11
-
$3,703 USD
£2,916 GBP
View
B
Retailer 12
-
$4,957 USD
£3,903 GBP
View
Most Expensive
B
Taylor and Hart
U7WRH4I · Oct 28
$5,391 USD
View
12 more retailers have this diamond
Prices start from $1,323 USDSave up to $4,068 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
$1,323 USD