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Round|Lab Grown|IGI

1.25ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG778645756

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645756

Diamond specifications and retailer prices

From £180 GBP
$242 USD
As of November 1, 2026
Save £1,485 GBP (89%) vs most expensive(unlock to see where)
24 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 LG778645756 or 778645756. Listed at 24 retailers as of October 27, 2026, with prices from £180 to £1,666, a £1,485 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 angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645756
Dimensions6.90 × 6.93 × 4.26 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 LG778645756
Side View
Table 56.0%Crown 34.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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: £365 GBP|Low: £180 GBP|High: £812 GBP|Avg: £425 GBP|+6.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11£180 GBP
Retailer 4£200 GBP
Retailer 2£270 GBP
Retailer 6£346 GBP
Retailer 1£365 GBP
Retailer 5£371 GBP
Retailer 3£382 GBP
Retailer 8£489 GBP
Retailer 10£519 GBP
Retailer 9£607 GBP
Retailer 12£768 GBP
Retailer 7£803 GBP

39 data points across 12 retailers

24 retailers£180 GBP to £1,666 GBP

Retailer 1
-
£155 GBP
$208 USD
Price last confirmed 32 days ago
A
Retailer 2
-
£180 GBP
$242 USD
View
Final sale: no returns
Retailer 3
-
£187 GBP
$251 USD
View
Price last confirmed 27 days ago
Retailer 4
-
£200 GBP
$269 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
£229 GBP
HK$2,400 HKD
View
B+
Retailer 6
-
£270 GBP
$362 USD
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
-
£489 GBP
A$1,010 AUD
View
B+
Retailer 13
-
£519 GBP
$697 USD
View
Retailer 14
-
£587 GBP
$788 USD
View
Price last confirmed 42 days ago
Retailer 15
-
£607 GBP
$815 USD
View
Price last confirmed 12 days ago
Retailer 16
-
£644 GBP
$864 USD
View
Price last confirmed 33 days ago
B
Retailer 17
-
£650 GBP
SGD 1,179 SGD
View
Retailer 18
-
£661 GBP
$886 USD
View
Price last confirmed 99 days ago
B
Retailer 19
-
£683 GBP
$917 USD
View
B
Retailer 20
-
£687 GBP
$922 USD
View
Retailer 21
-
£768 GBP
$1,030 USD
View
Price last confirmed 17 days ago
B+
Retailer 22
-
£803 GBP
View
B
Retailer 23
-
£929 GBP
$1,247 USD
View
Most Expensive
B
Queensmith
LG778645756 · Oct 27
£1,666 GBP
View
23 more retailers have this diamond
Prices start from £180 GBPSave up to £1,485 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
£180 GBP