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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG833671684

Shape and cutting style on the report: Round brilliant

Certificate IGI LG833671684

Diamond specifications and retailer prices

From $358 USD
HK$2,800 HKD
As of November 1, 2026
Save $1,452 USD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,810 USD at Brilliant Earth · As of October 31, 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 LG833671684 or 833671684. Listed at 24 retailers as of October 31, 2026, with prices from $358 to $1,810, a $1,452 spread on the same certified stone. Brilliant Earth lists it at $1,810. 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 angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671684
Dimensions7.99 × 7.92 × 4.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.99 mm7.92 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833671684
Side View
Table 59.0%Crown 34.6°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

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: $1,740 USD|Low: $293 USD|High: $1,980 USD|Avg: $877 USD|-12.1%
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
Retailer 20
October 31, 2026
Retailer 9$293 USD
Retailer 4$358 USD
Retailer 16$490 USD
Retailer 2$510 USD
Retailer 17$516 USD
Retailer 6$539 USD
Retailer 3$549 USD
Retailer 18$615 USD
Retailer 10$687 USD
Retailer 20$761 USD
Retailer 13$812 USD
Retailer 15$1,035 USD
Retailer 12$1,094 USD
Retailer 5$1,165 USD
Retailer 11$1,201 USD
Retailer 7$1,276 USD
Retailer 19$1,302 USD
Retailer 14$1,324 USD
Retailer 8$1,390 USD
Brilliant Earth$1,740 USD

38 data points across 20 retailers

24 retailers$358 USD to $1,810 USD

Retailer 1
-
$264 USD
Price last confirmed 39 days ago
Retailer 2
-
$307 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$324 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
$358 USD
HK$2,800 HKD
View
A
Retailer 5
-
$490 USD
View
A
Retailer 6
-
$510 USD
€486 EUR
View
A
Retailer 7
-
$516 USD
£406 GBP
View
B+
Retailer 8
-
$539 USD
View
Retailer 9
-
$549 USD
ZAR 8,861 ZAR
View
Price last confirmed 9 days ago
A
Retailer 10
-
$615 USD
£484 GBP
View
A
Retailer 11
-
$687 USD
View
Retailer 12
-
$761 USD
A$1,171 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$812 USD
View
B+
Retailer 14
-
$1,035 USD
SGD 1,399 SGD
View
Retailer 15
-
$1,054 USD
View
Price last confirmed 41 days ago
B+
Retailer 16
-
$1,094 USD
View
Retailer 17
-
$1,165 USD
View
Price last confirmed 14 days ago
Retailer 18
-
$1,201 USD
A$1,848 AUD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$1,276 USD
View
B
Retailer 20
-
$1,302 USD
£1,025 GBP
View
B
Retailer 21
-
$1,324 USD
View
Retailer 22
-
$1,390 USD
View
Price last confirmed 7 days ago
B
Retailer 23
-
$1,740 USD
View
Most Expensive
B
Brilliant Earth
21633778A · Oct 31
$1,810 USD
View
23 more retailers have this diamond
Prices start from $358 USDSave up to $1,452 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
$358 USD