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Round|Lab Grown|IGI

5.91ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG791652445

Shape and cutting style on the report: Round brilliant

Certificate IGI LG791652445

Diamond specifications and retailer prices

From £940 GBP
$1,259 USD
As of October 29, 2026
Save £4,554 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £5,494 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.91ct lab-grown round diamond

This 5.91ct lab-grown round sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791652445 or 791652445. Listed at 13 retailers as of October 29, 2026, with prices from £940 to £5,494, a £4,554 spread on the same certified stone. With Clarity lists it at £5,494. 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
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791652445
Dimensions11.73 × 11.77 × 6.92 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.73 mm11.77 mm5.91 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791652445
Side View
Table 61.0%Crown 32.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 58.9%

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: Oct 29
Current: £3,520 GBP|Low: £940 GBP|High: £5,618 GBP|Avg: £2,688 GBP|-4.2%
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
With Clarity
October 29, 2026
Retailer 4£940 GBP
Retailer 13£1,022 GBP
Retailer 14£1,405 GBP
Retailer 10£1,434 GBP
Retailer 5£1,573 GBP
Retailer 8£1,743 GBP
Retailer 15£2,032 GBP
Retailer 11£2,034 GBP
Retailer 2£2,043 GBP
Retailer 9£2,207 GBP
Retailer 6£2,536 GBP
Retailer 12£2,994 GBP
Retailer 1£3,520 GBP
Retailer 7£3,685 GBP
Retailer 3£4,710 GBP
With Clarity£5,494 GBP

27 data points across 16 retailers

13 retailers£940 GBP to £5,494 GBP

A
Cheapest Retailer
-
£940 GBP
$1,259 USD
A
Retailer 2
-
£1,022 GBP
$1,370 USD
View
A
Retailer 3
-
£1,405 GBP
$1,883 USD
View
Retailer 4
-
£1,434 GBP
View
Price last confirmed 14 days ago
B+
Retailer 5
-
£1,743 GBP
€2,224 EUR
View
B+
Retailer 6
-
£2,032 GBP
$2,722 USD
View
B
Retailer 7
-
£2,034 GBP
$2,725 USD
View
B+
Retailer 8
-
£2,043 GBP
$2,737 USD
View
Retailer 9
-
£2,207 GBP
A$4,549 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
£2,994 GBP
$4,012 USD
View
B
Retailer 11
-
£3,520 GBP
View
Retailer 12
-
£4,710 GBP
SGD 8,528 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
With Clarity
791652445 · Oct 31
£5,494 GBP
$7,361 USD
View
12 more retailers have this diamond
Prices start from £940 GBPSave up to £4,554 GBP

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
£940 GBP