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Oval|Lab Grown|IGI

1.91ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG799638878

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG799638878

Diamond specifications and retailer prices

From $418 USD
As of October 29, 2026
Save $1,524 USD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,575 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.91ct lab-grown oval diamond

This 1.91ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799638878 or 799638878. Listed at 21 retailers as of October 29, 2026, with a 365% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799638878
Dimensions10.33 × 7.15 × 4.27 mm
L/W Ratio1.44
Girdle conditionFaceted
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
Top View
10.33 mm7.15 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799638878
Side View
Table 58.0%Crown 33.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
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 29
Current: $3,575 USD|Low: $418 USD|High: $3,610 USD|Avg: $1,307 USD|-1.0%
Rare Carat
Retailer 2
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Retailer 20
October 31, 2026
Retailer 9$418 USD
Retailer 5$468 USD
Retailer 7$468 USD
Retailer 17$519 USD
Retailer 15$550 USD
Retailer 13$580 USD
Retailer 19$730 USD
Retailer 11$850 USD
Retailer 2$854 USD
Retailer 12$888 USD
Retailer 18$891 USD
Retailer 8$1,197 USD
Retailer 14$1,237 USD
Retailer 4$1,584 USD
Retailer 3$1,667 USD
Retailer 10$1,701 USD
Retailer 20$1,890 USD
Retailer 16$1,915 USD
Retailer 6$1,942 USD
Rare Carat$3,575 USD

26 data points across 20 retailers

21 retailers$418 USD to $1,942 USD

A
Cheapest Retailer
-
$418 USD
A
Retailer 2
-
$468 USD
View
Final sale: no returns
A
Retailer 3
-
$468 USD
View
A
Retailer 4
-
$519 USD
View
A
Retailer 5
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$550 USD
£433 GBP
View
A
Retailer 6
-
$580 USD
View
Retailer 7
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$584 USD
View
Price last confirmed 20 days ago
A
Retailer 8
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$730 USD
View
A
Retailer 9
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$850 USD
View
A
Retailer 10
-
$854 USD
£673 GBP
View
A
Retailer 11
-
$891 USD
ZAR 14,399 ZAR
View
A
Retailer 12
-
$1,197 USD
View
A
Retailer 13
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$1,237 USD
View
B+
Retailer 14
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$1,584 USD
View
B+
Retailer 15
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$1,667 USD
View
B+
Retailer 16
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$1,701 USD
View
B+
Retailer 17
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$1,808 USD
View
B+
Retailer 18
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$1,890 USD
View
B+
Retailer 19
-
$1,915 USD
£1,508 GBP
View
B+
Retailer 20
-
$1,942 USD
View
Most Expensive
Rare Carat
C293-12A · Oct 18
$3,575 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from $418 USDSave up to $1,524 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
1.91ct Oval
$418 USD