Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG775631915

Shape and cutting style on the report: Round brilliant

Certificate IGI LG775631915

Diamond specifications and retailer prices

From £204 GBP
$274 USD
As of October 25, 2026
Save £1,007 GBP (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,149 GBP at Do Amore Diamonds · As of October 31, 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 LG775631915 or 775631915. Listed at 23 retailers as of October 25, 2026, with a 492% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775631915
Dimensions6.99 × 7.02 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
6.99 mm7.02 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775631915
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

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 25
Current: £2,149 GBP|Low: £200 GBP|High: £2,149 GBP|Avg: £637 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
November 1, 2026
Retailer 7£204 GBP
Retailer 6£243 GBP
Retailer 14£271 GBP
Retailer 3£281 GBP
Retailer 4£301 GBP
Retailer 20£317 GBP
Retailer 19£414 GBP
Retailer 2£477 GBP
Retailer 9£486 GBP
Retailer 10£487 GBP
Retailer 8£490 GBP
Retailer 18£517 GBP
Retailer 13£536 GBP
Retailer 17£730 GBP
Retailer 15£769 GBP
Retailer 21£966 GBP
Retailer 12£1,000 GBP
Retailer 11£1,083 GBP
Retailer 5£1,112 GBP
Retailer 16£1,211 GBP
Do Amore Diamonds£2,149 GBP

29 data points across 21 retailers

23 retailers£204 GBP to £1,211 GBP

A
Cheapest Retailer
-
£204 GBP
$274 USD
A
Retailer 2
-
£243 GBP
$325 USD
View
A
Retailer 3
-
£271 GBP
$363 USD
View
Final sale: no returns
A
Retailer 4
-
£281 GBP
$377 USD
View
A
Retailer 5
-
£301 GBP
$403 USD
View
A
Retailer 6
-
£317 GBP
$425 USD
View
B+
Retailer 7
-
£414 GBP
$555 USD
View
B+
Retailer 8
-
£477 GBP
View
B+
Retailer 9
-
£486 GBP
$651 USD
View
B+
Retailer 10
-
£487 GBP
$653 USD
View
B+
Retailer 11
-
£517 GBP
ZAR 11,181 ZAR
View
B+
Retailer 12
-
£536 GBP
View
Retailer 13
-
£682 GBP
$914 USD
View
Price last confirmed 83 days ago
B
Retailer 14
-
£730 GBP
A$1,505 AUD
View
B
Retailer 15
-
£769 GBP
$1,030 USD
View
B
Retailer 16
-
£881 GBP
$1,181 USD
View
B
Retailer 17
-
£966 GBP
$1,295 USD
View
B
Retailer 18
-
£1,000 GBP
$1,339 USD
View
Retailer 19
-
£1,073 GBP
A$2,211 AUD
View
Price last confirmed 96 days ago
B
Retailer 20
-
£1,083 GBP
$1,451 USD
View
B
Retailer 21
-
£1,112 GBP
$1,490 USD
View
B
Retailer 22
-
£1,211 GBP
View
Most Expensive
Do Amore Diamonds
27-60B7367FE · Oct 31
£2,149 GBP
$2,880 USD
View
Price under review
22 more retailers have this diamond
Prices start from £204 GBPSave up to £1,007 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
£204 GBP