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Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG792628338

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792628338

Diamond specifications and retailer prices

From $484 USD
As of October 29, 2026
Save $3,796 USD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,280 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round 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 LG792628338 or 792628338. Listed at 23 retailers as of October 29, 2026, with prices from $484 to $4,280, a $3,796 spread on the same certified stone. Brilliant Earth lists it at $4,280. 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 angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792628338
Dimensions7.97 × 7.90 × 4.93 mm
L/W Ratio1.01
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
7.97 mm7.90 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792628338
Side View
Table 54.0%Crown 33.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A+
Exceptional
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: $4,280 USD|Low: $484 USD|High: $4,280 USD|Avg: $1,522 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 29, 2026
Retailer 5$484 USD
Retailer 20$542 USD
Retailer 16$565 USD
Retailer 8$600 USD
Retailer 12$657 USD
Retailer 17$740 USD
Retailer 6$849 USD
Retailer 21$935 USD
Retailer 2$990 USD
Retailer 13$1,002 USD
Retailer 15$1,030 USD
Retailer 3$1,395 USD
Retailer 4$1,518 USD
Retailer 9$1,927 USD
Retailer 7$1,956 USD
Retailer 14$2,076 USD
Retailer 19$2,098 USD
Retailer 11$2,159 USD
Retailer 18$2,506 USD
Retailer 10$3,485 USD
Brilliant Earth$4,280 USD

23 data points across 21 retailers

23 retailers$484 USD to $4,280 USD

A+
Cheapest Retailer
-
$484 USD
A
Retailer 2
-
$542 USD
View
A
Retailer 3
-
$565 USD
View
Final sale: no returns
A
Retailer 4
-
$600 USD
View
A
Retailer 5
-
$657 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$740 USD
View
A
Retailer 7
-
$849 USD
View
A
Retailer 8
-
$935 USD
View
A
Retailer 9
-
$990 USD
£780 GBP
View
A
Retailer 10
-
$1,002 USD
€954 EUR
View
A
Retailer 11
-
$1,030 USD
ZAR 16,646 ZAR
View
A
Retailer 12
-
$1,395 USD
View
B+
Retailer 13
-
$1,518 USD
View
B+
Retailer 14
-
$1,817 USD
View
Price last confirmed 43 days ago
B+
Retailer 15
-
$1,927 USD
View
B+
Retailer 16
-
$1,956 USD
View
B+
Retailer 17
-
$2,076 USD
SGD 2,806 SGD
View
B+
Retailer 18
-
$2,098 USD
View
B+
Retailer 19
-
$2,159 USD
View
B+
Retailer 20
-
$2,300 USD
View
B+
Retailer 21
-
$2,506 USD
£1,973 GBP
View
B
Retailer 22
-
$3,485 USD
View
Most Expensive
B
Brilliant Earth
21419384A · Oct 29
$4,280 USD
View
22 more retailers have this diamond
Prices start from $484 USDSave up to $3,796 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 Round
$484 USD