CaratHunter
Plans
Cushion|Lab Grown|IGI

5.78ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG805636056

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG805636056

Diamond specifications and retailer prices

From $1,546 USD
As of October 31, 2026
Save $7,264 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,401 USD at Queensmith · As of October 9, 2026
View at Queensmith

About this 5.78ct lab-grown cushion diamond

This 5.78ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805636056 or 805636056. Listed at 19 retailers as of October 31, 2026, with a 470% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.78
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805636056
Dimensions11.57 × 9.32 × 6.27 mm
L/W Ratio1.24
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm9.32 mm5.78 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805636056
Side View
Table 60.0%Crown 33.5°Girdle: STK-THKPavilion 31.7°Culet: NoneDepth 67.3%

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: Oct 31
Current: $1,705 USD|Low: $1,601 USD|High: $15,760 USD|Avg: $4,251 USD|-1.3%
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
November 1, 2026
Retailer 2$1,601 USD
Retailer 1$1,705 USD
Retailer 3$1,775 USD
Retailer 6$2,259 USD
Retailer 12$2,290 USD
Retailer 9$2,514 USD
Retailer 7$3,245 USD
Retailer 10$3,253 USD
Retailer 5$4,315 USD
Retailer 11$4,597 USD
Retailer 4$4,729 USD
Retailer 13$6,185 USD
Retailer 8$8,810 USD

34 data points across 13 retailers

19 retailers$1,546 USD to $8,810 USD

A
Cheapest Retailer
-
$1,546 USD
Final sale: no returns
Retailer 2
-
$1,601 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$1,705 USD
£1,343 GBP
View
A
Retailer 4
-
$1,775 USD
View
A
Retailer 5
-
$1,932 USD
View
A
Retailer 6
-
$2,259 USD
£1,778 GBP
View
A
Retailer 7
-
$2,290 USD
View
A
Retailer 8
-
$2,514 USD
€2,394 EUR
View
A
Retailer 9
-
$3,245 USD
A$4,992 AUD
View
A
Retailer 10
-
$3,253 USD
ZAR 52,551 ZAR
View
B+
Retailer 11
-
$3,871 USD
£3,048 GBP
View
B+
Retailer 12
-
$4,097 USD
View
B+
Retailer 13
-
$4,315 USD
View
B+
Retailer 14
-
$4,597 USD
£3,620 GBP
View
B+
Retailer 15
-
$4,729 USD
View
B
Retailer 16
-
$5,629 USD
View
Retailer 17
-
$6,185 USD
View
Price last confirmed 13 days ago
B
Retailer 18
-
$8,810 USD
View
Most Expensive
Queensmith
LG805636056 · Oct 9
$10,401 USD
£8,190 GBP
View
Price last confirmed 22 days ago
18 more retailers have this diamond
Prices start from $1,546 USDSave up to $7,264 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
5.78ct Cushion
$1,546 USD