Cushion|Lab Grown|IGI

0.80ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG788668878

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG788668878

Diamond specifications and retailer prices

From $179 USD
HK$1,400 HKD
As of November 1, 2026
Save $374 USD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,293 USD at MOH London · As of October 25, 2026
View at MOH London

About this 0.8ct lab-grown cushion diamond

This 0.8ct lab-grown cushion sits in the just-under-one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788668878 or 788668878. Listed at 13 retailers as of October 27, 2026, with a 209% 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

0.80
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788668878
Dimensions5.33 × 5.28 × 3.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.33 mm5.28 mm0.80 ctI / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG788668878
Side View
Table 70.0%Crown 42.3°Girdle: THN-MEDPavilion 37.8°Culet: NoneDepth 65.7%

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: Nov 1
Current: $1,293 USD|Low: $205 USD|High: $1,298 USD|Avg: $463 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 9$240 USD
Retailer 7$253 USD
Retailer 2$270 USD
Retailer 12$277 USD
Retailer 11$297 USD
Retailer 6$373 USD
Retailer 13$394 USD
Retailer 5$421 USD
Retailer 10$426 USD
Retailer 8$460 USD
Retailer 3$554 USD
Retailer 4$792 USD
MOH London$1,293 USD

28 data points across 13 retailers

13 retailers$179 USD to $554 USD

A
Cheapest Retailer
-
$179 USD
HK$1,400 HKD
A
Retailer 2
-
$240 USD
View
A
Retailer 3
-
$253 USD
View
A
Retailer 4
-
$270 USD
€257 EUR
View
Retailer 5
-
$277 USD
ZAR 4,473 ZAR
View
Price last confirmed 14 days ago
Retailer 6
-
$297 USD
View
Price last confirmed 6 days ago
B+
Retailer 7
-
$373 USD
View
B+
Retailer 8
-
$394 USD
View
B+
Retailer 9
-
$426 USD
SGD 576 SGD
View
B+
Retailer 10
-
$460 USD
View
B+
Retailer 11
-
$554 USD
View
Retailer 12
-
$792 USD
£624 GBP
View
Price last confirmed 16 days ago
Most Expensive
MOH London
LG788668878 · Oct 25
$1,293 USD
£1,018 GBP
View
Price last confirmed 7 days ago
12 more retailers have this diamond
Prices start from $179 USDSave up to $374 USD

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
0.80ct Cushion
$179 USD