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Round|Lab Grown|IGI

1.56ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG778666348

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778666348

Diamond specifications and retailer prices

From £196 GBP
$262 USD
As of October 30, 2026
Save £777 GBP (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,552 GBP at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778666348 or 778666348. Listed at 24 retailers as of October 30, 2026, with a 397% 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

1.56
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778666348
Dimensions7.46 × 7.51 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm7.51 mm1.56 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778666348
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.3%

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: Oct 30
Current: £1,552 GBP|Low: £196 GBP|High: £1,552 GBP|Avg: £536 GBP
Brilliant Earth
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
October 30, 2026
Retailer 5£196 GBP
Retailer 2£291 GBP
Retailer 10£327 GBP
Retailer 12£347 GBP
Retailer 13£373 GBP
Retailer 8£408 GBP
Retailer 11£408 GBP
Retailer 16£431 GBP
Retailer 3£446 GBP
Retailer 9£462 GBP
Retailer 14£505 GBP
Retailer 15£570 GBP
Retailer 7£870 GBP
Retailer 17£874 GBP
Retailer 4£882 GBP
Retailer 6£973 GBP
Brilliant Earth£1,552 GBP

39 data points across 17 retailers

24 retailers£196 GBP to £973 GBP

Retailer 1
-
£175 GBP
$234 USD
Price last confirmed 20 days ago
A
Retailer 2
-
£196 GBP
$262 USD
View
Final sale: no returns
Retailer 3
-
£203 GBP
$272 USD
View
Price last confirmed 21 days ago
Retailer 4
-
£217 GBP
$291 USD
View
Price last confirmed 28 days ago
Retailer 5
-
£217 GBP
$291 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
£291 GBP
$390 USD
View
A
Retailer 7
-
£327 GBP
View
A
Retailer 8
-
£347 GBP
€443 EUR
View
A
Retailer 9
-
£373 GBP
ZAR 8,064 ZAR
View
A
Retailer 10
-
£408 GBP
$547 USD
View
A
Retailer 11
-
£408 GBP
View
A
Retailer 12
-
£431 GBP
A$888 AUD
View
B+
Retailer 13
-
£446 GBP
$597 USD
View
B+
Retailer 14
-
£462 GBP
$619 USD
View
B+
Retailer 15
-
£505 GBP
A$1,042 AUD
View
B+
Retailer 16
-
£570 GBP
$764 USD
View
Retailer 17
-
£697 GBP
$934 USD
View
Price last confirmed 23 days ago
B+
Retailer 18
-
£736 GBP
$986 USD
View
Retailer 19
-
£870 GBP
A$1,793 AUD
View
Price last confirmed 22 days ago
B+
Retailer 20
-
£874 GBP
View
B
Retailer 21
-
£878 GBP
$1,176 USD
View
B
Retailer 22
-
£882 GBP
$1,182 USD
View
B
Retailer 23
-
£973 GBP
$1,303 USD
View
Most Expensive
Brilliant Earth
18395377A · Oct 18
£1,552 GBP
$2,080 USD
View
Price last confirmed 12 days ago
23 more retailers have this diamond
Prices start from £196 GBPSave up to £777 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
1.56ct Round
£196 GBP