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Oval|Lab Grown|IGI

2.91ct D VS2 Oval Lab Grown Diamond

ID • D/VS2 • IGI LG780658481

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780658481

Diamond specifications and retailer prices

From $638 USD
£502 GBP
As of October 30, 2026
Save $3,262 USD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,880 USD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 2.91ct lab-grown oval diamond

This 2.91ct lab-grown oval sits in the two to three carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG780658481 or 780658481. Listed at 15 retailers as of October 29, 2026, with a 512% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.91
Carat
D
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.4°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780658481
Dimensions12.08 × 7.82 × 4.57 mm
L/W Ratio1.54
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.08 mm7.82 mm2.91 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780658481
Side View
Table 60.0%Crown 30.4°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 58.4%

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 30
Current: $723 USD|Low: $439 USD|High: $3,900 USD|Avg: $1,562 USD|-1.2%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 15$439 USD
Retailer 11$638 USD
Retailer 13$645 USD
Retailer 4$687 USD
Retailer 1$723 USD
Retailer 8$817 USD
Retailer 17$874 USD
Retailer 7$1,332 USD
Retailer 14$1,464 USD
Retailer 9$1,603 USD
Retailer 5$1,678 USD
Retailer 10$1,766 USD
Retailer 18$1,933 USD
Retailer 6$2,421 USD
Retailer 3$2,523 USD
Retailer 16$2,525 USD
Retailer 12$3,275 USD
Retailer 2$3,900 USD

12 data points across 18 retailers

15 retailers$638 USD to $3,900 USD

Retailer 1
-
$439 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$638 USD
£502 GBP
View
A
Retailer 3
-
$645 USD
View
A
Retailer 4
-
$687 USD
View
B+
Retailer 5
-
$723 USD
View
Retailer 6
-
$1,332 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$1,464 USD
View
B+
Retailer 8
-
$1,678 USD
CA$2,331 CAD
View
Retailer 9
-
$1,933 USD
View
Price last confirmed 12 days ago
B
Retailer 10
-
$2,421 USD
View
B
Retailer 11
-
$2,523 USD
£1,987 GBP
View
Retailer 12
-
$2,525 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$3,275 USD
View
B
Retailer 14
-
$3,900 USD
View
Most Expensive
Brilliant Earth
22172616A · Oct 21
$4,880 USD
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from $638 USDSave up to $3,262 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
2.91ct Oval
$638 USD