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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG781609848

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609848

Diamond specifications and retailer prices

From $267 USD
As of November 1, 2026
Save $1,613 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,880 USD at Brilliant Earth · As of October 28, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781609848 or 781609848. Listed at 23 retailers as of October 28, 2026, with prices from $267 to $1,880, a $1,613 spread on the same certified stone. Brilliant Earth lists it at $1,880. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609848
Dimensions8.05 × 7.99 × 4.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.05 mm7.99 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609848
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.9%

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: Nov 1
Current: $1,880 USD|Low: $267 USD|High: $1,880 USD|Avg: $752 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 14$267 USD
Retailer 8$310 USD
Retailer 7$331 USD
Retailer 15$490 USD
Retailer 12$545 USD
Retailer 3$551 USD
Retailer 4$570 USD
Retailer 16$610 USD
Retailer 2$629 USD
Retailer 17$689 USD
Retailer 5$771 USD
Retailer 13$840 USD
Retailer 6$1,066 USD
Retailer 9$1,117 USD
Retailer 11$1,195 USD
Retailer 19$1,276 USD
Retailer 10$1,364 USD
Retailer 18$1,488 USD
Brilliant Earth$1,880 USD

43 data points across 19 retailers

23 retailers$267 USD to $1,880 USD

A
Cheapest Retailer
-
$267 USD
A
Retailer 2
-
$310 USD
View
A
Retailer 3
-
$331 USD
View
Retailer 4
-
$339 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$490 USD
View
A
Retailer 6
-
$545 USD
€519 EUR
View
B+
Retailer 7
-
$551 USD
View
A
Retailer 8
-
$570 USD
ZAR 9,201 ZAR
View
A
Retailer 9
-
$610 USD
View
A
Retailer 10
-
$629 USD
£495 GBP
View
A
Retailer 11
-
$689 USD
View
B+
Retailer 12
-
$771 USD
A$1,186 AUD
View
Retailer 13
-
$832 USD
A$1,280 AUD
View
Price last confirmed 123 days ago
B+
Retailer 14
-
$840 USD
View
Retailer 15
-
$950 USD
View
Price last confirmed 46 days ago
B+
Retailer 16
-
$1,066 USD
View
B
Retailer 17
-
$1,117 USD
View
Retailer 18
-
$1,195 USD
View
Price last confirmed 28 days ago
B
Retailer 19
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$1,216 USD
View
B
Retailer 20
-
$1,276 USD
View
Retailer 21
-
$1,364 USD
£1,074 GBP
View
Price last confirmed 11 days ago
B
Retailer 22
-
$1,488 USD
View
Most Expensive
B
Brilliant Earth
18338005A · Oct 28
$1,880 USD
View
22 more retailers have this diamond
Prices start from $267 USDSave up to $1,613 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
$267 USD