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 €299 EUR
$335 USD
As of November 1, 2026
Save €1,026 EUR (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €2,184 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
Colour
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: €2,184 EUR|Low: €261 EUR|High: €2,184 EUR|Avg: €817 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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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 2, 2026
Retailer 10€272 EUR
Retailer 4€299 EUR
Retailer 12€337 EUR
Retailer 5€365 EUR
Retailer 21€444 EUR
Retailer 18€446 EUR
Retailer 13€541 EUR
Retailer 15€570 EUR
Retailer 3€576 EUR
Retailer 16€585 EUR
Retailer 19€607 EUR
Retailer 6€624 EUR
Retailer 20€768 EUR
Retailer 2€860 EUR
Retailer 8€1,058 EUR
Retailer 11€1,079 EUR
Retailer 14€1,103 EUR
Retailer 7€1,105 EUR
Retailer 9€1,271 EUR
Retailer 17€1,325 EUR
Brilliant Earth€2,184 EUR

38 data points across 21 retailers

26 retailers€299 EUR to €1,325 EUR

Retailer 1
-
€272 EUR
$305 USD
Price last confirmed 15 days ago
A
Retailer 2
-
€299 EUR
$335 USD
View
Final sale: no returns
Retailer 3
-
€316 EUR
$354 USD
View
Price last confirmed 13 days ago
Retailer 4
-
€333 EUR
$374 USD
View
Price last confirmed 48 days ago
Retailer 5
-
€337 EUR
$378 USD
View
Price last confirmed 17 days ago
Retailer 6
-
€337 EUR
$378 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
€365 EUR
HK$3,200 HKD
View
B+
Retailer 8
-
€444 EUR
$498 USD
View
A
Retailer 9
-
€446 EUR
$500 USD
View
A
Retailer 10
-
€541 EUR
View
A
Retailer 11
-
€570 EUR
ZAR 10,325 ZAR
View
A
Retailer 12
-
€576 EUR
$646 USD
View
A
Retailer 13
-
€585 EUR
£516 GBP
View
A
Retailer 14
-
€607 EUR
A$1,048 AUD
View
B+
Retailer 15
-
€624 EUR
$700 USD
View
B+
Retailer 16
-
€768 EUR
A$1,326 AUD
View
B+
Retailer 17
-
€860 EUR
$965 USD
View
B
Retailer 18
-
€1,058 EUR
SGD 1,603 SGD
View
Retailer 19
-
€1,079 EUR
$1,210 USD
View
Price last confirmed 26 days ago
Retailer 20
-
€1,084 EUR
$1,216 USD
View
Price last confirmed 15 days ago
Retailer 21
-
€1,103 EUR
A$1,903 AUD
View
Price last confirmed 28 days ago
B
Retailer 22
-
€1,105 EUR
$1,239 USD
View
B
Retailer 23
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€1,162 EUR
$1,303 USD
View
B
Retailer 24
-
€1,271 EUR
$1,426 USD
View
B
Retailer 25
-
€1,325 EUR
£1,170 GBP
View
Most Expensive
Brilliant Earth
9989183A · Oct 4
€2,184 EUR
$2,450 USD
View
Price last confirmed 29 days ago
25 more retailers have this diamond
Prices start from €299 EURSave up to €1,026 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
€299 EUR