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Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG818660300

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818660300

Diamond specifications and retailer prices

From £150 GBP
$200 USD
As of October 26, 2026
Save £1,292 GBP (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,442 GBP at Do Amore Diamonds · As of October 26, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818660300 or 818660300. Listed at 13 retailers as of October 26, 2026, with prices from £150 to £1,442, a £1,292 spread on the same certified stone. Do Amore Diamonds lists it at £1,442. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818660300
Dimensions6.95 × 6.92 × 4.29 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
6.95 mm6.92 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818660300
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A+
Exceptional
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 26
Current: £1,442 GBP|Low: £150 GBP|High: £1,607 GBP|Avg: £565 GBP|-10.3%
Do Amore Diamonds
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
October 26, 2026
Retailer 2£150 GBP
Retailer 11£169 GBP
Retailer 13£231 GBP
Retailer 14£260 GBP
Retailer 7£327 GBP
Retailer 9£342 GBP
Retailer 12£502 GBP
Retailer 4£536 GBP
Retailer 3£586 GBP
Retailer 5£604 GBP
Retailer 10£662 GBP
Retailer 6£781 GBP
Retailer 8£827 GBP
Do Amore Diamonds£1,442 GBP

21 data points across 14 retailers

13 retailers£150 GBP to £1,442 GBP

A+
Cheapest Retailer
-
£150 GBP
$200 USD
A
Retailer 2
-
£231 GBP
$307 USD
View
B+
Retailer 3
-
£260 GBP
$346 USD
View
A
Retailer 4
-
£327 GBP
View
A
Retailer 5
-
£342 GBP
€434 EUR
View
B+
Retailer 6
-
£502 GBP
A$1,029 AUD
View
B+
Retailer 7
-
£536 GBP
$714 USD
View
B+
Retailer 8
-
£586 GBP
$781 USD
View
Retailer 9
-
£604 GBP
$805 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£662 GBP
$882 USD
View
B
Retailer 11
-
£781 GBP
$1,040 USD
View
B
Retailer 12
-
£827 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E518663AE · Oct 26
£1,442 GBP
$1,920 USD
View
12 more retailers have this diamond
Prices start from £150 GBPSave up to £1,292 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+
1.28ct Round
£150 GBP