Princess|Lab Grown|IGI

1.91ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG799671729

Shape and cutting style on the report: Princess cut

Certificate IGI LG799671729

Diamond specifications and retailer prices

From $1,395 USD
HK$10,900 HKD
As of October 30, 2026
Save $4,775 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,170 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 LG799671729 or 799671729. Listed at 11 retailers as of October 29, 2026, with prices from $1,395 to $6,170, a $4,775 spread on the same certified stone. Brilliant Earth lists it at $6,170. 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 angle38.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799671729
Dimensions6.86 × 6.86 × 4.90 mm
L/W Ratio1.00
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
6.86 mm6.86 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799671729
Side View
Table 64.0%Crown 38.4°Girdle: MediumPavilion 39.4°Culet: NoneDepth 71.4%

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 30
Current: $6,170 USD|Low: $1,395 USD|High: $7,298 USD|Avg: $4,042 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,395 USD
Retailer 5$1,759 USD
Retailer 11$2,003 USD
Retailer 10$2,083 USD
Retailer 9$2,915 USD
Retailer 7$3,075 USD
Retailer 6$3,974 USD
Retailer 4$4,344 USD
Retailer 3$5,042 USD
Retailer 8$5,549 USD
Brilliant Earth$6,170 USD

43 data points across 11 retailers

11 retailers$1,395 USD to $6,170 USD

A
Cheapest Retailer
-
$1,395 USD
HK$10,900 HKD
A
Retailer 2
-
$1,759 USD
£1,385 GBP
View
A
Retailer 3
-
$2,003 USD
View
A
Retailer 4
-
$2,083 USD
View
B+
Retailer 5
-
$2,915 USD
View
B+
Retailer 6
-
$3,075 USD
€2,929 EUR
View
B
Retailer 7
-
$3,974 USD
View
B
Retailer 8
-
$4,344 USD
View
B
Retailer 9
-
$5,042 USD
View
B
Retailer 10
-
$5,549 USD
£4,369 GBP
View
Most Expensive
B
Brilliant Earth
20502957A · Oct 29
$6,170 USD
View
10 more retailers have this diamond
Prices start from $1,395 USDSave up to $4,775 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
$1,395 USD