Radiant|Lab Grown|IGI

3.10ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG840655647

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG840655647

Diamond specifications and retailer prices

From HK$4,190 HKD
$534 USD
As of October 24, 2026
Save HK$13,181 HKD (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$30,794 HKD at Helzberg Diamonds · As of October 7, 2026
View at Helzberg Diamonds

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840655647 or 840655647. Listed at 22 retailers as of October 24, 2026, with a 315% 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

3.10
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655647
Dimensions7.23 × 9.99 × 4.89 mm
L/W Ratio1.38
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.23 mm9.99 mm3.10 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655647
Side View
Table 65.0%Crown 50.8°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 67.6%

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 24
Current: HK$30,794 HKD|Low: HK$3,742 HKD|High: HK$3,913,638 HKD|Avg: HK$388,519 HKD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
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Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 27, 2026
Retailer 5HK$3,742 HKD
Retailer 7HK$4,182 HKD
Retailer 23HK$4,190 HKD
Retailer 18HK$4,645 HKD
Retailer 8HK$5,122 HKD
Retailer 2HK$5,313 HKD
Retailer 19HK$5,727 HKD
Retailer 9HK$6,292 HKD
Retailer 6HK$6,821 HKD
Retailer 17HK$7,477 HKD
Retailer 13HK$7,660 HKD
Retailer 22HK$8,371 HKD
Retailer 3HK$9,989 HKD
Retailer 12HK$12,483 HKD
Retailer 14HK$14,875 HKD
Retailer 20HK$14,923 HKD
Retailer 24HK$15,151 HKD
Retailer 4HK$15,330 HKD
Retailer 11HK$16,305 HKD
Retailer 21HK$17,078 HKD
Retailer 10HK$17,370 HKD
Helzberg DiamondsHK$30,794 HKD
Retailer 16HK$1,531,074 HKD
Retailer 15HK$2,422,248 HKD

10 data points across 24 retailers

22 retailersHK$4,190 HKD to HK$17,370 HKD

Retailer 1
-
HK$3,742 HKD
$477 USD
Price last confirmed 7 days ago
A
Retailer 2
-
HK$4,190 HKD
$534 USD
View
A
Retailer 3
-
HK$4,645 HKD
$592 USD
View
A
Retailer 4
-
HK$5,122 HKD
View
A
Retailer 5
-
HK$5,313 HKD
£533 GBP
View
A
Retailer 6
-
HK$5,727 HKD
$730 USD
View
B+
Retailer 7
-
HK$6,292 HKD
$802 USD
View
Retailer 8
-
HK$6,821 HKD
€828 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
HK$7,660 HKD
£769 GBP
View
A
Retailer 10
-
HK$8,371 HKD
$1,067 USD
View
A
Retailer 11
-
HK$9,989 HKD
ZAR 20,569 ZAR
View
B+
Retailer 12
-
HK$12,483 HKD
$1,591 USD
View
B+
Retailer 13
-
HK$14,875 HKD
SGD 2,562 SGD
View
B+
Retailer 14
-
HK$14,923 HKD
$1,902 USD
View
B+
Retailer 15
-
HK$15,151 HKD
$1,931 USD
View
B+
Retailer 16
-
HK$15,330 HKD
$1,954 USD
View
B+
Retailer 17
-
HK$16,305 HKD
$2,078 USD
View
B+
Retailer 18
-
HK$17,078 HKD
£1,714 GBP
View
B+
Retailer 19
-
HK$17,370 HKD
$2,214 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKGMLLMKN · Oct 7
HK$30,794 HKD
$3,925 USD
View
Price last confirmed 23 days ago
19 more retailers have this diamond
Prices start from HK$4,190 HKDSave up to HK$13,181 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
3.10ct Radiant
HK$4,190 HKD