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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG830613236

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830613236

Diamond specifications and retailer prices

From $252 USD
As of November 1, 2026
Save $2,402 USD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,654 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG830613236 or 830613236. Listed at 25 retailers as of October 27, 2026, with prices from $252 to $2,654, a $2,402 spread on the same certified stone. Queensmith lists it at $2,654. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830613236
Dimensions8.00 × 7.95 × 4.84 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
8.00 mm7.95 mm1.91 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830613236
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
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: $2,654 USD|Low: $252 USD|High: $2,654 USD|Avg: $818 USD
Queensmith
Retailer 2
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Retailer 25
November 1, 2026
Retailer 3$252 USD
Retailer 6$282 USD
Retailer 25$293 USD
Retailer 4$313 USD
Retailer 24$313 USD
Retailer 5$346 USD
Retailer 14$422 USD
Retailer 10$475 USD
Retailer 18$511 USD
Retailer 21$519 USD
Retailer 2$540 USD
Retailer 13$594 USD
Retailer 9$667 USD
Retailer 8$684 USD
Retailer 22$729 USD
Retailer 20$782 USD
Retailer 23$1,005 USD
Retailer 17$1,012 USD
Retailer 12$1,057 USD
Retailer 19$1,070 USD
Retailer 15$1,160 USD
Retailer 7$1,260 USD
Retailer 16$1,360 USD
Retailer 11$1,420 USD
Queensmith$2,654 USD

20 data points across 25 retailers

25 retailers$252 USD to $2,654 USD

A
Cheapest Retailer
-
$252 USD
A
Retailer 2
-
$282 USD
View
Final sale: no returns
A
Retailer 3
-
$293 USD
View
A
Retailer 4
-
$313 USD
View
Retailer 5
-
$313 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$346 USD
HK$2,700 HKD
View
B+
Retailer 7
-
$422 USD
View
A
Retailer 8
-
$475 USD
View
Retailer 9
-
$511 USD
£402 GBP
View
Price last confirmed 15 days ago
A
Retailer 10
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$519 USD
€494 EUR
View
A
Retailer 11
-
$540 USD
ZAR 8,724 ZAR
View
A
Retailer 12
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$594 USD
£468 GBP
View
A
Retailer 13
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$667 USD
View
A
Retailer 14
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$684 USD
View
A
Retailer 15
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$729 USD
A$1,122 AUD
View
B+
Retailer 16
-
$782 USD
View
B+
Retailer 17
-
$1,005 USD
View
B+
Retailer 18
-
$1,012 USD
SGD 1,367 SGD
View
B+
Retailer 19
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$1,057 USD
View
B+
Retailer 20
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$1,070 USD
View
B
Retailer 21
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$1,160 USD
View
B
Retailer 22
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$1,260 USD
£992 GBP
View
B
Retailer 23
-
$1,360 USD
View
B
Retailer 24
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$1,420 USD
View
Most Expensive
B
Queensmith
LG830613236 · Oct 27
$2,654 USD
£2,090 GBP
View
24 more retailers have this diamond
Prices start from $252 USDSave up to $2,402 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
$252 USD