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Oval|Lab Grown|IGI

4.78ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG839697977

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839697977

Diamond specifications and retailer prices

From HK$4,127 HKD
$526 USD
As of October 29, 2026
Save HK$19,230 HKD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$24,126 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.78ct lab-grown oval diamond

This 4.78ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839697977 or 839697977. Listed at 13 retailers as of October 29, 2026, with a 466% 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839697977
Dimensions13.66 × 9.38 × 5.81 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.66 mm9.38 mm4.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839697977
Side View
Table 61.0%Crown 36.1°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 61.9%

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 29
Current: HK$24,126 HKD|Low: HK$4,127 HKD|High: HK$25,043 HKD|Avg: HK$14,307 HKD|-1.0%
Rare Carat
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 12HK$4,127 HKD
Retailer 10HK$4,621 HKD
Retailer 6HK$4,840 HKD
Retailer 7HK$7,785 HKD
Retailer 5HK$8,450 HKD
Retailer 8HK$10,250 HKD
Retailer 11HK$13,204 HKD
Retailer 9HK$13,220 HKD
Retailer 13HK$13,455 HKD
Retailer 3HK$17,904 HKD
Retailer 2HK$21,353 HKD
Retailer 4HK$23,357 HKD
Rare CaratHK$24,126 HKD

25 data points across 13 retailers

13 retailersHK$4,127 HKD to HK$23,357 HKD

A
Cheapest Retailer
-
HK$4,127 HKD
$526 USD
A
Retailer 2
-
HK$4,621 HKD
$589 USD
View
A
Retailer 3
-
HK$4,840 HKD
£486 GBP
View
A
Retailer 4
-
HK$7,785 HKD
€945 EUR
View
A
Retailer 5
-
HK$8,450 HKD
$1,077 USD
View
A
Retailer 6
-
HK$10,250 HKD
A$2,010 AUD
View
B+
Retailer 7
-
HK$13,204 HKD
$1,683 USD
View
B+
Retailer 8
-
HK$13,220 HKD
$1,685 USD
View
B+
Retailer 9
-
HK$13,455 HKD
$1,715 USD
View
B+
Retailer 10
-
HK$17,904 HKD
$2,282 USD
View
B+
Retailer 11
-
HK$21,353 HKD
£2,143 GBP
View
B
Retailer 12
-
HK$23,357 HKD
$2,977 USD
View
Most Expensive
Rare Carat
LGOV40-162305 · Oct 21
HK$24,126 HKD
$3,075 USD
View
Price last confirmed 11 days ago
12 more retailers have this diamond
Prices start from HK$4,127 HKDSave up to HK$19,230 HKD

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 Oval
HK$4,127 HKD