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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG738504078

Shape and cutting style on the report: Round brilliant

Certificate IGI LG738504078

Diamond specifications and retailer prices

From HK$2,048 HKD
$261 USD
As of November 1, 2026
Save HK$8,849 HKD (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$15,691 HKD at Brilliant Earth · As of October 13, 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 LG738504078 or 738504078. Listed at 26 retailers as of November 1, 2026, with a 432% 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 angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738504078
Dimensions7.94 × 7.88 × 4.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm7.88 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738504078
Side View
Table 58.0%Crown 35.7°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$4,030 HKD|Low: HK$2,032 HKD|High: HK$10,897 HKD|Avg: HK$5,159 HKD|-1.2%
Retailer 1
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
Retailer 21
November 2, 2026
Retailer 13HK$2,048 HKD
Retailer 17HK$2,283 HKD
Retailer 3HK$2,377 HKD
Retailer 6HK$2,542 HKD
Retailer 7HK$2,542 HKD
Retailer 20HK$3,923 HKD
Retailer 1HK$4,030 HKD
Retailer 8HK$4,229 HKD
Retailer 12HK$4,374 HKD
Retailer 16HK$4,381 HKD
Retailer 5HK$4,723 HKD
Retailer 15HK$4,848 HKD
Retailer 21HK$4,937 HKD
Retailer 4HK$5,390 HKD
Retailer 2HK$5,911 HKD
Retailer 10HK$6,747 HKD
Retailer 14HK$8,167 HKD
Retailer 11HK$8,570 HKD
Retailer 19HK$9,995 HKD
Retailer 18HK$10,183 HKD
Retailer 9HK$10,897 HKD

28 data points across 21 retailers

26 retailersHK$2,048 HKD to HK$10,897 HKD

A
Cheapest Retailer
-
HK$2,048 HKD
$261 USD
A
Retailer 2
-
HK$2,283 HKD
$291 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,377 HKD
$303 USD
View
A
Retailer 4
-
HK$2,542 HKD
$324 USD
View
Retailer 5
-
HK$2,542 HKD
$324 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$3,923 HKD
$500 USD
View
A
Retailer 7
-
HK$4,030 HKD
£404 GBP
View
B+
Retailer 8
-
HK$4,229 HKD
$539 USD
View
A
Retailer 9
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HK$4,374 HKD
€531 EUR
View
A
Retailer 10
-
HK$4,381 HKD
ZAR 9,021 ZAR
View
A
Retailer 11
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HK$4,723 HKD
$602 USD
View
A
Retailer 12
-
HK$4,848 HKD
£487 GBP
View
A
Retailer 13
-
HK$4,937 HKD
A$968 AUD
View
A
Retailer 14
-
HK$5,390 HKD
$687 USD
View
A
Retailer 15
-
HK$5,911 HKD
A$1,159 AUD
View
B+
Retailer 16
-
HK$6,747 HKD
$860 USD
View
B+
Retailer 17
-
HK$8,167 HKD
$1,041 USD
View
B+
Retailer 18
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HK$8,269 HKD
$1,054 USD
View
B+
Retailer 19
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HK$8,570 HKD
$1,092 USD
View
B
Retailer 20
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HK$9,438 HKD
$1,203 USD
View
Retailer 21
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HK$9,480 HKD
A$1,859 AUD
View
Price last confirmed 32 days ago
Retailer 22
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HK$9,498 HKD
$1,211 USD
View
Price last confirmed 75 days ago
B
Retailer 23
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HK$9,995 HKD
$1,274 USD
View
B
Retailer 24
-
HK$10,183 HKD
£1,022 GBP
View
B
Retailer 25
-
HK$10,897 HKD
$1,389 USD
View
Most Expensive
Brilliant Earth
16462177A · Oct 13
HK$15,691 HKD
$2,000 USD
View
Price last confirmed 19 days ago
25 more retailers have this diamond
Prices start from HK$2,048 HKDSave up to HK$8,849 HKD

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
HK$2,048 HKD