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Princess|Lab Grown|IGI

4.78ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG620485260

Shape and cutting style on the report: Princess cut

Certificate IGI LG620485260

Diamond specifications and retailer prices

From $2,007 NZD
$1,129 USD
As of October 31, 2026
Save $5,453 NZD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,925 NZD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 4.78ct lab-grown princess diamond

This 4.78ct lab-grown princess sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620485260 or 620485260. Listed at 13 retailers as of October 29, 2026, with a 272% 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

4.78
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle54°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620485260
Dimensions8.93 × 8.84 × 6.34 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.93 mm8.84 mm4.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620485260
Side View
Table 71.0%Crown 54°Girdle: MED-STKPavilion 36°Culet: NoneDepth 71.7%

Caratlytics Score

How it works →
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 31
Current: $15,925 NZD|Low: $1,306 NZD|High: $16,387 NZD|Avg: $4,106 NZD|-2.8%
Brilliant Earth
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
Retailer 18
October 30, 2026
Retailer 7$1,306 NZD
Retailer 9$1,994 NZD
Retailer 8$2,055 NZD
Retailer 14$2,065 NZD
Retailer 17$2,222 NZD
Retailer 12$2,453 NZD
Retailer 15$2,480 NZD
Retailer 4$2,989 NZD
Retailer 5$2,991 NZD
Retailer 3$3,457 NZD
Retailer 11$3,674 NZD
Retailer 6$4,334 NZD
Retailer 18$4,500 NZD
Retailer 2$4,546 NZD
Retailer 16$5,591 NZD
Retailer 10$6,471 NZD
Retailer 13$7,460 NZD
Brilliant Earth$15,925 NZD

21 data points across 18 retailers

13 retailers$2,007 NZD to $7,460 NZD

Retailer 1
-
$1,200 NZD
$675 USD
Price last confirmed 42 days ago
Retailer 2
-
$1,372 NZD
$772 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
$2,007 NZD
$1,129 USD
View
A
Retailer 4
-
$2,065 NZD
$1,162 USD
View
Final sale: no returns
A
Retailer 5
-
$2,453 NZD
$1,380 USD
View
A
Retailer 6
-
$2,480 NZD
HK$10,900 HKD
View
Retailer 7
-
$2,989 NZD
$1,682 USD
View
Price last confirmed 26 days ago
B+
Retailer 8
-
$3,674 NZD
€1,969 EUR
View
Retailer 9
-
$3,914 NZD
$2,202 USD
View
Price last confirmed 33 days ago
Retailer 10
-
$4,334 NZD
£1,920 GBP
View
Price last confirmed 25 days ago
B
Retailer 11
-
$4,546 NZD
ZAR 41,323 ZAR
View
B
Retailer 12
-
$7,460 NZD
£3,305 GBP
View
Most Expensive
Brilliant Earth
14104438A · Oct 26
$15,925 NZD
$8,960 USD
View
Price last confirmed 7 days ago
12 more retailers have this diamond
Prices start from $2,007 NZDSave up to $5,453 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 Princess
$2,007 NZD