Round|Lab Grown|IGI

4.71ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG571309412

Shape and cutting style on the report: Round brilliant

Certificate IGI LG571309412

Diamond specifications and retailer prices

From HK$5,421 HKD
$691 USD
As of October 31, 2026
Save HK$21,646 HKD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$27,068 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.71ct lab-grown round diamond

This 4.71ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG571309412 or 571309412. Listed at 16 retailers as of October 31, 2026, with prices from HK$5,421 to HK$27,068, a HK$21,646 spread on the same certified stone. Brilliant Earth lists it at HK$27,068. 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

4.71
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571309412
Dimensions10.72 × 10.68 × 6.64 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
10.72 mm10.68 mm4.71 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571309412
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.0%

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 31
Current: HK$27,068 HKD|Low: HK$3,436 HKD|High: HK$48,094 HKD|Avg: HK$14,489 HKD|-43.7%
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
October 31, 2026
Retailer 5HK$5,249 HKD
Retailer 11HK$5,421 HKD
Retailer 6HK$7,022 HKD
Retailer 2HK$8,246 HKD
Retailer 4HK$9,187 HKD
Retailer 12HK$9,219 HKD
Retailer 8HK$11,945 HKD
Retailer 13HK$12,679 HKD
Retailer 9HK$14,883 HKD
Retailer 10HK$19,261 HKD
Retailer 3HK$19,385 HKD
Retailer 7HK$26,185 HKD
Brilliant EarthHK$27,068 HKD

30 data points across 13 retailers

16 retailersHK$5,421 HKD to HK$27,068 HKD

Retailer 1
-
HK$4,237 HKD
$540 USD
Price last confirmed 38 days ago
Retailer 2
-
HK$4,747 HKD
$605 USD
View
Price last confirmed 38 days ago
Retailer 3
-
HK$5,186 HKD
$661 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
HK$5,421 HKD
$691 USD
View
Final sale: no returns
A
Retailer 5
-
HK$7,022 HKD
$895 USD
View
A
Retailer 6
-
HK$8,246 HKD
€1,001 EUR
View
B+
Retailer 7
-
HK$9,187 HKD
$1,171 USD
View
A
Retailer 8
-
HK$9,219 HKD
$1,175 USD
View
B+
Retailer 9
-
HK$11,945 HKD
ZAR 24,595 ZAR
View
B+
Retailer 10
-
HK$12,679 HKD
$1,616 USD
View
Retailer 11
-
HK$13,816 HKD
$1,761 USD
View
Price last confirmed 35 days ago
B+
Retailer 12
-
HK$14,883 HKD
$1,897 USD
View
Retailer 13
-
HK$19,261 HKD
$2,455 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
HK$19,385 HKD
$2,471 USD
View
B
Retailer 15
-
HK$26,185 HKD
£2,628 GBP
View
Most Expensive
B
Brilliant Earth
7624185A · Oct 31
HK$27,068 HKD
$3,450 USD
View
15 more retailers have this diamond
Prices start from HK$5,421 HKDSave up to HK$21,646 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
4.71ct Round
HK$5,421 HKD