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Round|Lab Grown|IGI

5.97ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG816692489

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816692489

Diamond specifications and retailer prices

From £1,431 GBP
$1,918 USD
As of October 30, 2026
Save £4,198 GBP (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £5,630 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.97ct lab-grown round diamond

This 5.97ct 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 LG816692489 or 816692489. Listed at 7 retailers as of October 30, 2026, with prices from £1,431 to £5,630, a £4,198 spread on the same certified stone. With Clarity lists it at £5,630. 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

5.97
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816692489
Dimensions11.69 × 11.78 × 6.91 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
11.69 mm11.78 mm5.97 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816692489
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 58.8%

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 30
Current: £1,785 GBP|Low: £1,431 GBP|High: £5,833 GBP|Avg: £3,574 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
October 29, 2026
Retailer 5£1,431 GBP
Retailer 1£1,785 GBP
Retailer 4£3,069 GBP
Retailer 2£3,591 GBP
Retailer 3£4,362 GBP
Retailer 6£4,827 GBP
With Clarity£5,630 GBP

23 data points across 7 retailers

7 retailers£1,431 GBP to £5,630 GBP

A
Cheapest Retailer
-
£1,431 GBP
$1,918 USD
B+
Retailer 2
-
£1,785 GBP
€2,278 EUR
View
B
Retailer 3
-
£3,069 GBP
$4,112 USD
View
B
Retailer 4
-
£3,591 GBP
View
Retailer 5
-
£4,362 GBP
$5,845 USD
View
Price last confirmed 13 days ago
Retailer 6
-
£4,827 GBP
SGD 8,740 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
With Clarity
816692489 · Oct 31
£5,630 GBP
$7,543 USD
View
6 more retailers have this diamond
Prices start from £1,431 GBPSave up to £4,198 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
5.97ct Round
£1,431 GBP