CaratHunter
Plans
Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG772657761

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772657761

Diamond specifications and retailer prices

From £149 GBP
$198 USD
As of October 29, 2026
Save £743 GBP (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,042 GBP at Novita Diamonds · As of July 28, 2026
View at Novita 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 LG772657761 or 772657761. Listed at 23 retailers as of October 29, 2026, with a 500% 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 angle33.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772657761
Dimensions6.98 × 7.02 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.98 mm7.02 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772657761
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.0%

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 29
Current: £337 GBP|Low: £143 GBP|High: £892 GBP|Avg: £420 GBP|+5.3%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 6£149 GBP
Retailer 16£166 GBP
Retailer 19£173 GBP
Retailer 3£185 GBP
Retailer 4£185 GBP
Retailer 21£294 GBP
Retailer 12£311 GBP
Retailer 17£317 GBP
Retailer 11£320 GBP
Retailer 1£337 GBP
Retailer 8£370 GBP
Retailer 9£389 GBP
Retailer 18£451 GBP
Retailer 5£490 GBP
Retailer 7£593 GBP
Retailer 20£604 GBP
Retailer 14£611 GBP
Retailer 13£633 GBP
Retailer 2£788 GBP
Retailer 15£867 GBP
Retailer 10£892 GBP

28 data points across 21 retailers

23 retailers£149 GBP to £892 GBP

A
Cheapest Retailer
-
£149 GBP
$198 USD
A
Retailer 2
-
£166 GBP
$221 USD
View
Final sale: no returns
A
Retailer 3
-
£173 GBP
$230 USD
View
A
Retailer 4
-
£185 GBP
$246 USD
View
A
Retailer 5
-
£185 GBP
$246 USD
View
Retailer 6
-
£294 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
£311 GBP
€394 EUR
View
A
Retailer 8
-
£317 GBP
ZAR 6,813 ZAR
View
A
Retailer 9
-
£320 GBP
$426 USD
View
A
Retailer 10
-
£337 GBP
View
A
Retailer 11
-
£370 GBP
$493 USD
View
B+
Retailer 12
-
£389 GBP
$518 USD
View
B+
Retailer 13
-
£451 GBP
A$924 AUD
View
B+
Retailer 14
-
£490 GBP
$653 USD
View
Retailer 15
-
£546 GBP
$727 USD
View
Price last confirmed 45 days ago
B+
Retailer 16
-
£593 GBP
$790 USD
View
Retailer 17
-
£604 GBP
$805 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
£624 GBP
$831 USD
View
B
Retailer 19
-
£633 GBP
$843 USD
View
Retailer 20
-
£788 GBP
$1,050 USD
View
Price last confirmed 8 days ago
B
Retailer 21
-
£867 GBP
View
B
Retailer 22
-
£892 GBP
$1,187 USD
View
Most Expensive
Novita Diamonds
cert_772657761 · Jul 28
£1,042 GBP
A$2,134 AUD
View
Our latest check could not confirm this price
22 more retailers have this diamond
Prices start from £149 GBPSave up to £743 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
£149 GBP