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Cushion|Lab Grown|IGI

4.78ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG847661603

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG847661603

Diamond specifications and retailer prices

From $1,223 NZD
£542 GBP
As of October 27, 2026
Save $7,414 NZD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,638 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.78ct lab-grown cushion diamond

This 4.78ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG847661603 or 847661603. Listed at 16 retailers as of October 27, 2026, with prices from $1,223 to $8,638, a $7,414 spread on the same certified stone. Brilliant Earth lists it at $8,638. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.78
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847661603
Dimensions11.04 × 8.47 × 5.83 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.04 mm8.47 mm4.78 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847661603
Side View
Table 61.0%Crown 34.5°Girdle: MED-THKPavilion 34.4°Culet: NoneDepth 68.8%

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 27
Current: $3,071 NZD|Low: $1,221 NZD|High: $6,496 NZD|Avg: $3,232 NZD
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
November 2, 2026
Retailer 14$1,223 NZD
Retailer 6$1,319 NZD
Retailer 12$1,570 NZD
Retailer 16$1,680 NZD
Retailer 5$2,031 NZD
Retailer 9$2,096 NZD
Retailer 15$2,173 NZD
Retailer 3$2,227 NZD
Retailer 1$3,071 NZD
Retailer 4$3,448 NZD
Retailer 7$4,526 NZD
Retailer 10$4,558 NZD
Retailer 8$4,715 NZD
Retailer 2$5,765 NZD
Retailer 11$6,404 NZD
Retailer 13$6,496 NZD

7 data points across 16 retailers

16 retailers$1,223 NZD to $8,638 NZD

A
Cheapest Retailer
-
$1,223 NZD
£542 GBP
A
Retailer 2
-
$1,570 NZD
HK$6,900 HKD
View
Retailer 3
-
$1,680 NZD
$945 USD
View
Price last confirmed 6 days ago
Retailer 4
-
$2,031 NZD
$1,143 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$2,096 NZD
€1,123 EUR
View
A
Retailer 6
-
$2,173 NZD
£963 GBP
View
Retailer 7
-
$2,227 NZD
$1,253 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$3,071 NZD
$1,728 USD
View
B+
Retailer 9
-
$3,448 NZD
$1,940 USD
View
Retailer 10
-
$4,526 NZD
$2,547 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$4,558 NZD
SGD 3,466 SGD
View
B+
Retailer 12
-
$4,715 NZD
$2,653 USD
View
Retailer 13
-
$5,765 NZD
£2,554 GBP
View
Price last confirmed 7 days ago
B
Retailer 14
-
$6,404 NZD
$3,603 USD
View
B
Retailer 15
-
$6,496 NZD
$3,655 USD
View
Most Expensive
B
Brilliant Earth
22307796A · Nov 2
$8,638 NZD
$4,860 USD
View
15 more retailers have this diamond
Prices start from $1,223 NZDSave up to $7,414 NZD

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
4.78ct Cushion
$1,223 NZD