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Oval|Lab Grown|IGI

4.91ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG750559534

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG750559534

Diamond specifications and retailer prices

From HK$6,465 HKD
$824 USD
As of October 29, 2026
Save HK$51,627 HKD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$89,441 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.91ct lab-grown oval diamond

This 4.91ct lab-grown oval 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 LG750559534 or 750559534. Listed at 18 retailers as of October 29, 2026, with a 799% 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

4.91
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750559534
Dimensions13.78 × 9.62 × 5.75 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.78 mm9.62 mm4.91 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750559534
Side View
Table 63.0%Crown 34.5°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.8%

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 29
Current: HK$89,441 HKD|Low: HK$6,465 HKD|High: HK$93,128 HKD|Avg: HK$26,857 HKD|-4.0%
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 31, 2026
Retailer 18HK$6,465 HKD
Retailer 16HK$7,038 HKD
Retailer 11HK$8,434 HKD
Retailer 10HK$9,023 HKD
Retailer 5HK$10,555 HKD
Retailer 14HK$10,576 HKD
Retailer 15HK$12,571 HKD
Retailer 3HK$17,245 HKD
Retailer 2HK$17,742 HKD
Retailer 4HK$17,778 HKD
Retailer 6HK$20,170 HKD
Retailer 7HK$23,286 HKD
Retailer 13HK$28,238 HKD
Retailer 9HK$32,592 HKD
Retailer 8HK$39,346 HKD
Retailer 17HK$57,431 HKD
Retailer 12HK$58,092 HKD
Brilliant EarthHK$89,441 HKD

35 data points across 18 retailers

18 retailersHK$6,465 HKD to HK$58,092 HKD

A
Cheapest Retailer
-
HK$6,465 HKD
$824 USD
A
Retailer 2
-
HK$7,038 HKD
$897 USD
View
A
Retailer 3
-
HK$8,434 HKD
$1,075 USD
View
A
Retailer 4
-
HK$9,023 HKD
$1,150 USD
View
Final sale: no returns
Retailer 5
-
HK$10,555 HKD
$1,345 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$10,576 HKD
$1,348 USD
View
A
Retailer 7
-
HK$12,571 HKD
€1,526 EUR
View
A
Retailer 8
-
HK$17,245 HKD
$2,198 USD
View
B+
Retailer 9
-
HK$17,742 HKD
A$3,479 AUD
View
Retailer 10
-
HK$17,778 HKD
$2,266 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$20,170 HKD
$2,571 USD
View
B+
Retailer 12
-
HK$23,286 HKD
$2,968 USD
View
B+
Retailer 13
-
HK$28,238 HKD
£2,834 GBP
View
Retailer 14
-
HK$32,592 HKD
A$6,391 AUD
View
Price last confirmed 26 days ago
Retailer 15
-
HK$39,346 HKD
$5,015 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
HK$57,431 HKD
$7,320 USD
View
B
Retailer 17
-
HK$58,092 HKD
$7,404 USD
View
Most Expensive
Brilliant Earth
19656320A · Oct 31
HK$89,441 HKD
$11,400 USD
View
Price under review
17 more retailers have this diamond
Prices start from HK$6,465 HKDSave up to HK$51,627 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
4.91ct Oval
HK$6,465 HKD