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Princess|Lab Grown|IGI

1.91ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG788629932

Shape and cutting style on the report: Princess cut

Certificate IGI LG788629932

Diamond specifications and retailer prices

From $2,173 USD
As of October 26, 2026
Save $2,077 USD (49%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,250 USD at Brilliant Earth · As of October 30, 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 LG788629932 or 788629932. Listed at 9 retailers as of October 26, 2026, with prices from $2,173 to $4,250, a $2,077 spread on the same certified stone. Brilliant Earth lists it at $4,250. 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 angle42.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788629932
Dimensions6.74 × 6.72 × 4.75 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
6.74 mm6.72 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788629932
Side View
Table 69.0%Crown 42.7°Girdle: MediumPavilion 37.8°Culet: NoneDepth 70.7%

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 26
Current: $4,250 USD|Low: $919 USD|High: $10,430 USD|Avg: $3,573 USD|-32.1%
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 16$919 USD
Retailer 18$1,316 USD
Retailer 13$1,708 USD
Retailer 6$2,129 USD
Retailer 2$2,173 USD
Retailer 10$2,513 USD
Retailer 17$2,630 USD
Retailer 3$2,736 USD
Retailer 4$2,771 USD
Retailer 8$3,016 USD
Retailer 15$3,363 USD
Retailer 9$3,719 USD
Retailer 11$3,720 USD
Retailer 14$4,037 USD
Brilliant Earth$4,250 USD
Retailer 5$5,065 USD
Retailer 7$5,400 USD
Retailer 12$8,160 USD

22 data points across 18 retailers

9 retailers$2,173 USD to $4,250 USD

Retailer 1
-
$919 USD
Price last confirmed 19 days ago
Retailer 2
-
$1,012 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$1,708 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$2,173 USD
View
Retailer 5
-
$2,205 USD
View
Price last confirmed 20 days ago
Retailer 6
-
$2,685 USD
View
Price last confirmed 31 days ago
Retailer 7
-
$3,720 USD
View
Price last confirmed 12 days ago
Retailer 8
-
$4,037 USD
£3,179 GBP
View
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
21413733Y · Oct 30
$4,250 USD
View
8 more retailers have this diamond
Prices start from $2,173 USDSave up to $2,077 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
$2,173 USD