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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG683529055

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683529055

Diamond specifications and retailer prices

From $274 USD
As of October 28, 2026
Save $2,056 USD (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,330 USD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

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 LG683529055 or 683529055. Listed at 11 retailers as of October 27, 2026, with prices from $274 to $2,330, a $2,056 spread on the same certified stone. Do Amore Diamonds lists it at $2,330. 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 angle34.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683529055
Dimensions7.99 × 7.94 × 4.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.99 mm7.94 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683529055
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.8%

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: Oct 28
Current: $2,330 USD|Low: $208 USD|High: $2,350 USD|Avg: $997 USD|+2.6%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 25, 2026
Retailer 17$242 USD
Retailer 3$274 USD
Retailer 15$281 USD
Retailer 14$506 USD
Retailer 5$630 USD
Retailer 8$662 USD
Retailer 9$748 USD
Retailer 10$778 USD
Retailer 7$888 USD
Retailer 4$890 USD
Retailer 12$969 USD
Retailer 13$1,066 USD
Retailer 2$1,330 USD
Retailer 6$1,357 USD
Retailer 11$1,400 USD
Retailer 16$1,698 USD
Do Amore Diamonds$2,330 USD

18 data points across 17 retailers

11 retailers$274 USD to $2,330 USD

Retailer 1
-
$242 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$274 USD
View
Final sale: no returns
Retailer 3
-
$281 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$506 USD
View
B+
Retailer 5
-
$778 USD
A$1,197 AUD
View
B+
Retailer 6
-
$969 USD
View
Retailer 7
-
$1,066 USD
View
Price last confirmed 7 days ago
B
Retailer 8
-
$1,330 USD
£1,047 GBP
View
B
Retailer 9
-
$1,400 USD
View
B
Retailer 10
-
$1,698 USD
View
Most Expensive
B
Do Amore Diamonds
27-FF5A68CAB · Oct 27
$2,330 USD
View
10 more retailers have this diamond
Prices start from $274 USDSave up to $2,056 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
$274 USD