Cushion|Lab Grown|IGI

4.88ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG816676244

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816676244

Diamond specifications and retailer prices

From $1,057 USD
£832 GBP
As of October 24, 2026
Save $2,804 USD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,899 USD at Queensmith · As of October 10, 2026
View at Queensmith

About this 4.88ct lab-grown cushion diamond

This 4.88ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816676244 or 816676244. Listed at 16 retailers as of October 24, 2026, with a 265% 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

4.88
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816676244
Dimensions11.73 × 8.91 × 5.97 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.73 mm8.91 mm4.88 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816676244
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 67.0%

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 24
Current: $7,899 USD|Low: $1,057 USD|High: $7,899 USD|Avg: $3,083 USD
Queensmith
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 25, 2026
Retailer 14$1,057 USD
Retailer 17$1,070 USD
Retailer 9$1,229 USD
Retailer 5$1,405 USD
Retailer 2$1,451 USD
Retailer 15$1,719 USD
Retailer 3$1,775 USD
Retailer 11$2,339 USD
Retailer 4$2,630 USD
Retailer 10$2,891 USD
Retailer 16$3,063 USD
Retailer 13$3,439 USD
Retailer 7$3,752 USD
Retailer 12$3,861 USD
Retailer 6$4,188 USD
Retailer 8$4,261 USD
Queensmith$7,899 USD

36 data points across 17 retailers

16 retailers$1,057 USD to $3,861 USD

A
Cheapest Retailer
-
$1,057 USD
£832 GBP
Retailer 2
-
$1,229 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$1,405 USD
View
Price last confirmed 6 days ago
A
Retailer 4
-
$1,451 USD
View
A
Retailer 5
-
$1,719 USD
£1,353 GBP
View
A
Retailer 6
-
$1,775 USD
View
A
Retailer 7
-
$2,339 USD
ZAR 37,779 ZAR
View
Retailer 8
-
$2,630 USD
A$4,046 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,891 USD
View
B+
Retailer 10
-
$3,063 USD
£2,412 GBP
View
B+
Retailer 11
-
$3,439 USD
View
B+
Retailer 12
-
$3,752 USD
View
B+
Retailer 13
-
$3,861 USD
View
Retailer 14
-
$4,188 USD
£3,298 GBP
View
Price last confirmed 10 days ago
Retailer 15
-
$4,261 USD
A$6,556 AUD
View
Price last confirmed 21 days ago
Most Expensive
Queensmith
LG816676244 · Oct 10
$7,899 USD
£6,220 GBP
View
Price last confirmed 19 days ago
15 more retailers have this diamond
Prices start from $1,057 USDSave up to $2,804 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
4.88ct Cushion
$1,057 USD