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Cushion|Lab Grown|IGI

0.78ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG844679388

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG844679388

Diamond specifications and retailer prices

From £273 GBP
$367 USD
As of October 29, 2026
Save £647 GBP (70%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £920 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 0.78ct lab-grown cushion diamond

This 0.78ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844679388 or 844679388. Listed at 17 retailers as of October 28, 2026, with prices from £273 to £920, a £647 spread on the same certified stone. Reve Diamonds lists it at £920. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844679388
Dimensions6.44 × 4.91 × 3.22 mm
L/W Ratio1.31
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.44 mm4.91 mm0.78 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844679388
Side View
Table 62.0%Crown 34.1°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 65.6%

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 29
Current: £363 GBP|Low: £186 GBP|High: £920 GBP|Avg: £508 GBP|+2.3%
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
Reve Diamonds
October 29, 2026
Retailer 16£186 GBP
Retailer 4£273 GBP
Retailer 8£311 GBP
Retailer 9£322 GBP
Retailer 11£356 GBP
Retailer 1£363 GBP
Retailer 15£396 GBP
Retailer 2£402 GBP
Retailer 14£464 GBP
Retailer 12£501 GBP
Retailer 10£510 GBP
Retailer 3£661 GBP
Retailer 7£672 GBP
Retailer 6£674 GBP
Retailer 5£780 GBP
Retailer 13£789 GBP
Reve Diamonds£920 GBP

14 data points across 17 retailers

17 retailers£273 GBP to £920 GBP

Retailer 1
-
£231 GBP
$310 USD
Price last confirmed 12 days ago
A
Retailer 2
-
£273 GBP
$367 USD
View
B+
Retailer 3
-
£311 GBP
$418 USD
View
A
Retailer 4
-
£322 GBP
€411 EUR
View
B+
Retailer 5
-
£356 GBP
ZAR 7,712 ZAR
View
B+
Retailer 6
-
£363 GBP
View
Retailer 7
-
£396 GBP
$532 USD
View
Price last confirmed 8 days ago
Retailer 8
-
£402 GBP
$539 USD
View
Price last confirmed 7 days ago
Retailer 9
-
£464 GBP
A$957 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£501 GBP
A$1,035 AUD
View
B
Retailer 11
-
£510 GBP
$685 USD
View
B
Retailer 12
-
£661 GBP
CA$1,232 CAD
View
B
Retailer 13
-
£672 GBP
$902 USD
View
B
Retailer 14
-
£674 GBP
$904 USD
View
B
Retailer 15
-
£780 GBP
$1,047 USD
View
Retailer 16
-
£789 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Reve Diamonds
D14A43995 · Oct 28
£920 GBP
$1,235 USD
View
16 more retailers have this diamond
Prices start from £273 GBPSave up to £647 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
0.78ct Cushion
£273 GBP