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5.91ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG837646412

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837646412

Diamond specifications and retailer prices

From HK$8,356 HKD
$1,065 USD
As of October 29, 2026
Save HK$49,505 HKD (86%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$57,861 HKD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 5.91ct lab-grown round diamond

This 5.91ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837646412 or 837646412. Listed at 5 retailers as of October 29, 2026, with prices from HK$8,356 to HK$57,861, a HK$49,505 spread on the same certified stone. Frank Darling lists it at HK$57,861. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.91
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837646412
Dimensions11.53 × 11.62 × 7.08 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
11.53 mm11.62 mm5.91 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837646412
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
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: Oct 29
Current: HK$57,861 HKD|Low: HK$8,356 HKD|High: HK$57,874 HKD|Avg: HK$24,783 HKD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 2HK$8,356 HKD
Retailer 4HK$11,346 HKD
Retailer 6HK$13,215 HKD
Retailer 3HK$23,759 HKD
Retailer 5HK$42,606 HKD
Frank DarlingHK$57,861 HKD

14 data points across 6 retailers

5 retailersHK$8,356 HKD to HK$57,861 HKD

A
Cheapest Retailer
-
HK$8,356 HKD
$1,065 USD
Final sale: no returns
B+
Retailer 2
-
HK$11,346 HKD
$1,446 USD
View
B+
Retailer 3
-
HK$23,759 HKD
$3,028 USD
View
Retailer 4
-
HK$42,606 HKD
$5,430 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Frank Darling
100198347171KD · Oct 29
HK$57,861 HKD
$7,374 USD
View
4 more retailers have this diamond
Prices start from HK$8,356 HKDSave up to HK$49,505 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
5.91ct Round
HK$8,356 HKD