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Round|Lab Grown|IGI

0.99ct D VVS1 Round Lab Grown Diamond

EX • D/VVS1 • IGI LG843619971

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843619971

Diamond specifications and retailer prices

From £128 GBP
$170 USD
As of October 29, 2026
Save £1,096 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,224 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843619971 or 843619971. Listed at 21 retailers as of October 29, 2026, with prices from £128 to £1,224, a £1,096 spread on the same certified stone. Do Amore Diamonds lists it at £1,224. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843619971
Dimensions6.36 × 6.40 × 3.89 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.36 mm6.40 mm0.99 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843619971
Side View
Table 58.0%Crown 34.1°Girdle: Slightly ThickPavilion 40.1°Culet: NoneDepth 61.0%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £1,224 GBP|Low: £128 GBP|High: £1,224 GBP|Avg: £442 GBP
Do Amore Diamonds
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October 30, 2026
Retailer 5£128 GBP
Retailer 10£143 GBP
Retailer 22£149 GBP
Retailer 9£158 GBP
Retailer 21£158 GBP
Retailer 3£215 GBP
Retailer 23£232 GBP
Retailer 15£300 GBP
Retailer 2£308 GBP
Retailer 18£316 GBP
Retailer 13£317 GBP
Retailer 6£350 GBP
Retailer 8£395 GBP
Retailer 20£436 GBP
Retailer 7£538 GBP
Retailer 11£562 GBP
Retailer 14£603 GBP
Retailer 16£615 GBP
Retailer 4£621 GBP
Retailer 19£766 GBP
Retailer 17£823 GBP
Retailer 12£826 GBP
Do Amore Diamonds£1,224 GBP

15 data points across 23 retailers

21 retailers£128 GBP to £1,224 GBP

A
Cheapest Retailer
-
£128 GBP
$170 USD
A
Retailer 2
-
£143 GBP
$190 USD
View
Final sale: no returns
A
Retailer 3
-
£149 GBP
$198 USD
View
A
Retailer 4
-
£158 GBP
$211 USD
View
A
Retailer 5
-
£158 GBP
$211 USD
View
B+
Retailer 6
-
£215 GBP
$286 USD
View
A
Retailer 7
-
£232 GBP
$309 USD
View
A
Retailer 8
-
£308 GBP
View
B+
Retailer 9
-
£316 GBP
ZAR 6,805 ZAR
View
B+
Retailer 10
-
£317 GBP
View
B+
Retailer 11
-
£350 GBP
$466 USD
View
B+
Retailer 12
-
£395 GBP
$526 USD
View
B+
Retailer 13
-
£436 GBP
A$894 AUD
View
B+
Retailer 14
-
£538 GBP
$717 USD
View
B
Retailer 15
-
£562 GBP
$749 USD
View
B
Retailer 16
-
£603 GBP
$803 USD
View
B
Retailer 17
-
£621 GBP
$827 USD
View
B
Retailer 18
-
£766 GBP
$1,020 USD
View
B
Retailer 19
-
£823 GBP
View
B
Retailer 20
-
£826 GBP
$1,101 USD
View
Most Expensive
B
Do Amore Diamonds
27-C4960013D · Oct 29
£1,224 GBP
$1,630 USD
View
20 more retailers have this diamond
Prices start from £128 GBPSave up to £1,096 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
0.99ct Round
£128 GBP