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Princess|Lab Grown|IGI

1.91ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG846663697

Shape and cutting style on the report: Princess cut

Certificate IGI LG846663697

Diamond specifications and retailer prices

From $1,181 USD
£930 GBP
As of October 30, 2026
Save $4,969 USD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,150 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.91ct lab-grown princess diamond

This 1.91ct lab-grown princess 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 LG846663697 or 846663697. Listed at 9 retailers as of October 29, 2026, with prices from $1,181 to $6,150, a $4,969 spread on the same certified stone. Brilliant Earth lists it at $6,150. 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 angle42°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663697
Dimensions6.82 × 6.72 × 4.63 mm
L/W Ratio1.01
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
6.82 mm6.72 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663697
Side View
Table 65.0%Crown 42°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 68.9%

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: $6,150 USD|Low: $1,181 USD|High: $6,150 USD|Avg: $2,730 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 3$1,181 USD
Retailer 5$1,280 USD
Retailer 2$1,671 USD
Retailer 8$1,832 USD
Retailer 9$1,967 USD
Retailer 7$3,654 USD
Retailer 6$3,760 USD
Retailer 4$4,282 USD
Brilliant Earth$6,150 USD

5 data points across 9 retailers

9 retailers$1,181 USD to $6,150 USD

A
Cheapest Retailer
-
$1,181 USD
£930 GBP
A
Retailer 2
-
$1,280 USD
View
A
Retailer 3
-
$1,671 USD
View
A
Retailer 4
-
$1,832 USD
View
A
Retailer 5
-
$1,967 USD
€1,873 EUR
View
B
Retailer 6
-
$3,654 USD
View
B
Retailer 7
-
$3,760 USD
£2,961 GBP
View
B
Retailer 8
-
$4,282 USD
View
Most Expensive
B
Brilliant Earth
22319418A · Oct 29
$6,150 USD
View
8 more retailers have this diamond
Prices start from $1,181 USDSave up to $4,969 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 Princess
$1,181 USD