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Round|Lab Grown|IGI

5.91ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG807651601

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807651601

Diamond specifications and retailer prices

From HK$5,822 HKD
$742 USD
As of October 29, 2026
Save HK$27,659 HKD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$42,841 HKD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG807651601 or 807651601. Listed at 14 retailers as of October 28, 2026, with a 475% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807651601
Dimensions11.61 × 11.66 × 7.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.61 mm11.66 mm5.91 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807651601
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

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$42,841 HKD|Low: HK$5,806 HKD|High: HK$43,351 HKD|Avg: HK$19,686 HKD|-0.8%
Rare Carat
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
October 29, 2026
Retailer 6HK$5,822 HKD
Retailer 15HK$6,332 HKD
Retailer 12HK$8,477 HKD
Retailer 3HK$10,585 HKD
Retailer 2HK$10,743 HKD
Retailer 7HK$11,709 HKD
Retailer 11HK$13,760 HKD
Retailer 13HK$16,627 HKD
Retailer 10HK$16,634 HKD
Retailer 4HK$18,980 HKD
Retailer 16HK$21,907 HKD
Retailer 8HK$25,975 HKD
Retailer 9HK$26,547 HKD
Retailer 5HK$29,206 HKD
Retailer 14HK$33,481 HKD
Rare CaratHK$42,841 HKD

30 data points across 16 retailers

14 retailersHK$5,822 HKD to HK$33,481 HKD

A
Cheapest Retailer
-
HK$5,822 HKD
$742 USD
A
Retailer 2
-
HK$6,332 HKD
$807 USD
View
Retailer 3
-
HK$8,477 HKD
£851 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
HK$10,585 HKD
$1,349 USD
View
A
Retailer 5
-
HK$10,743 HKD
€1,304 EUR
View
Retailer 6
-
HK$13,760 HKD
A$2,698 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$16,627 HKD
$2,119 USD
View
B+
Retailer 8
-
HK$16,634 HKD
$2,120 USD
View
B+
Retailer 9
-
HK$18,980 HKD
$2,419 USD
View
B+
Retailer 10
-
HK$21,907 HKD
$2,792 USD
View
B+
Retailer 11
-
HK$26,547 HKD
£2,664 GBP
View
Retailer 12
-
HK$29,206 HKD
SGD 5,030 SGD
View
Price last confirmed 17 days ago
B
Retailer 13
-
HK$33,481 HKD
$4,267 USD
View
Most Expensive
Rare Carat
LGRD50-85109 · Oct 18
HK$42,841 HKD
$5,460 USD
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from HK$5,822 HKDSave up to HK$27,659 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$5,822 HKD