Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG630443173

Shape and cutting style on the report: Round brilliant

Certificate IGI LG630443173

Diamond specifications and retailer prices

From €300 EUR
$335 USD
As of November 1, 2026
Save €1,030 EUR (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €2,193 EUR at Brilliant Earth · As of October 4, 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 LG630443173 or 630443173. Listed at 26 retailers as of November 1, 2026, with a 344% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630443173
Dimensions7.89 × 7.95 × 4.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.89 mm7.95 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630443173
Side View
Table 56.0%Crown 35.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: €2,193 EUR|Low: €262 EUR|High: €2,193 EUR|Avg: €811 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 10€273 EUR
Retailer 4€300 EUR
Retailer 12€338 EUR
Retailer 5€367 EUR
Retailer 21€446 EUR
Retailer 16€448 EUR
Retailer 15€541 EUR
Retailer 19€570 EUR
Retailer 3€578 EUR
Retailer 13€587 EUR
Retailer 17€610 EUR
Retailer 6€627 EUR
Retailer 18€771 EUR
Retailer 20€855 EUR
Retailer 8€1,062 EUR
Retailer 11€1,083 EUR
Retailer 14€1,107 EUR
Retailer 7€1,109 EUR
Retailer 9€1,276 EUR
Retailer 2€1,330 EUR
Brilliant Earth€2,193 EUR

39 data points across 21 retailers

26 retailers€300 EUR to €1,330 EUR

Retailer 1
-
€273 EUR
$305 USD
Price last confirmed 14 days ago
A
Retailer 2
-
€300 EUR
$335 USD
View
Final sale: no returns
Retailer 3
-
€317 EUR
$354 USD
View
Price last confirmed 12 days ago
Retailer 4
-
€335 EUR
$374 USD
View
Price last confirmed 47 days ago
Retailer 5
-
€338 EUR
$378 USD
View
Price last confirmed 16 days ago
Retailer 6
-
€338 EUR
$378 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
€367 EUR
HK$3,200 HKD
View
B+
Retailer 8
-
€446 EUR
$498 USD
View
A
Retailer 9
-
€448 EUR
$500 USD
View
A
Retailer 10
-
€541 EUR
View
A
Retailer 11
-
€570 EUR
ZAR 10,289 ZAR
View
A
Retailer 12
-
€578 EUR
$646 USD
View
A
Retailer 13
-
€587 EUR
£516 GBP
View
A
Retailer 14
-
€610 EUR
A$1,048 AUD
View
B+
Retailer 15
-
€627 EUR
$700 USD
View
B+
Retailer 16
-
€771 EUR
A$1,326 AUD
View
B+
Retailer 17
-
€855 EUR
$955 USD
View
B
Retailer 18
-
€1,062 EUR
SGD 1,603 SGD
View
Retailer 19
-
€1,083 EUR
$1,210 USD
View
Price last confirmed 25 days ago
Retailer 20
-
€1,088 EUR
$1,216 USD
View
Price last confirmed 14 days ago
Retailer 21
-
€1,107 EUR
A$1,903 AUD
View
Price last confirmed 27 days ago
B
Retailer 22
-
€1,109 EUR
$1,239 USD
View
B
Retailer 23
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€1,166 EUR
$1,303 USD
View
B
Retailer 24
-
€1,276 EUR
$1,426 USD
View
B
Retailer 25
-
€1,330 EUR
£1,170 GBP
View
Most Expensive
Brilliant Earth
9989183A · Oct 4
€2,193 EUR
$2,450 USD
View
Price last confirmed 28 days ago
25 more retailers have this diamond
Prices start from €300 EURSave up to €1,030 EUR

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
€300 EUR