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Round|Lab Grown|IGI

1.25ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG778645792

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645792

Diamond specifications and retailer prices

From £162 GBP
$217 USD
As of November 1, 2026
Save £1,504 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,666 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.25ct lab-grown round diamond

This 1.25ct 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 LG778645792 or 778645792. Listed at 21 retailers as of October 27, 2026, with prices from £162 to £1,666, a £1,504 spread on the same certified stone. Queensmith lists it at £1,666. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645792
Dimensions6.90 × 6.93 × 4.23 mm
L/W Ratio1.00
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
6.90 mm6.93 mm1.25 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645792
Side View
Table 59.0%Crown 34.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

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: Nov 1
Current: £490 GBP|Low: £155 GBP|High: £812 GBP|Avg: £397 GBP|+0.7%
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
November 2, 2026
Retailer 13£162 GBP
Retailer 3£180 GBP
Retailer 12£200 GBP
Retailer 5£270 GBP
Retailer 8£318 GBP
Retailer 10£346 GBP
Retailer 7£365 GBP
Retailer 9£371 GBP
Retailer 1£490 GBP
Retailer 6£530 GBP
Retailer 11£607 GBP
Retailer 4£768 GBP
Retailer 2£807 GBP

34 data points across 13 retailers

21 retailers£162 GBP to £1,666 GBP

A
Cheapest Retailer
-
£162 GBP
$217 USD
A
Retailer 2
-
£180 GBP
$242 USD
View
Final sale: no returns
A
Retailer 3
-
£200 GBP
$269 USD
View
A
Retailer 4
-
£229 GBP
HK$2,400 HKD
View
B+
Retailer 5
-
£270 GBP
$362 USD
View
A
Retailer 6
-
£318 GBP
View
A
Retailer 7
-
£346 GBP
ZAR 7,495 ZAR
View
A
Retailer 8
-
£365 GBP
€466 EUR
View
A
Retailer 9
-
£371 GBP
View
B+
Retailer 10
-
£376 GBP
$505 USD
View
B+
Retailer 11
-
£382 GBP
$513 USD
View
B+
Retailer 12
-
£490 GBP
A$1,011 AUD
View
B+
Retailer 13
-
£530 GBP
$711 USD
View
Retailer 14
-
£607 GBP
$815 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
£650 GBP
SGD 1,179 SGD
View
B
Retailer 16
-
£683 GBP
$917 USD
View
B
Retailer 17
-
£687 GBP
$922 USD
View
Retailer 18
-
£768 GBP
$1,030 USD
View
Price last confirmed 17 days ago
B
Retailer 19
-
£807 GBP
View
B
Retailer 20
-
£929 GBP
$1,247 USD
View
Most Expensive
B
Queensmith
LG778645792 · Oct 27
£1,666 GBP
View
20 more retailers have this diamond
Prices start from £162 GBPSave up to £1,504 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
1.25ct Round
£162 GBP