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Radiant|Lab Grown|IGI

4.07ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG692506621

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

Certificate IGI LG692506621

Diamond specifications and retailer prices

From HK$3,319 HKD
$423 USD
As of October 27, 2026
Save HK$11,897 HKD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$15,216 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 4.07ct lab-grown radiant diamond

This 4.07ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG692506621 or 692506621. Listed at 12 retailers as of October 27, 2026, with prices from HK$3,319 to HK$15,216, a HK$11,897 spread on the same certified stone. MOH London lists it at HK$15,216. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.07
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692506621
Dimensions11.49 × 7.90 × 5.16 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.49 mm7.90 mm4.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692506621
Side View
Table 64.0%Crown 43.9°Girdle: MediumPavilion 34.4°Culet: NoneDepth 65.3%

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 27
Current: HK$15,216 HKD|Low: HK$3,319 HKD|High: HK$53,277 HKD|Avg: HK$14,428 HKD
MOH London
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
October 30, 2026
Retailer 5HK$3,319 HKD
Retailer 2HK$3,449 HKD
Retailer 4HK$3,719 HKD
Retailer 10HK$4,119 HKD
Retailer 13HK$4,620 HKD
Retailer 11HK$5,257 HKD
Retailer 3HK$6,497 HKD
Retailer 9HK$6,789 HKD
Retailer 12HK$6,842 HKD
Retailer 6HK$9,771 HKD
Retailer 15HK$10,906 HKD
Retailer 14HK$13,245 HKD
MOH LondonHK$15,216 HKD
Retailer 16HK$19,538 HKD
Retailer 7HK$38,372 HKD
Retailer 8HK$53,277 HKD

4 data points across 16 retailers

12 retailersHK$3,319 HKD to HK$15,216 HKD

A
Cheapest Retailer
-
HK$3,319 HKD
$423 USD
A
Retailer 2
-
HK$3,449 HKD
£346 GBP
View
A
Retailer 3
-
HK$3,719 HKD
$474 USD
View
A
Retailer 4
-
HK$4,119 HKD
$525 USD
View
A
Retailer 5
-
HK$4,620 HKD
View
A
Retailer 6
-
HK$5,257 HKD
$670 USD
View
B+
Retailer 7
-
HK$6,497 HKD
$828 USD
View
A
Retailer 8
-
HK$6,789 HKD
£681 GBP
View
A
Retailer 9
-
HK$6,842 HKD
$872 USD
View
B+
Retailer 10
-
HK$10,906 HKD
$1,390 USD
View
B+
Retailer 11
-
HK$13,245 HKD
$1,688 USD
View
Most Expensive
B+
MOH London
LG692506621 · Oct 29
HK$15,216 HKD
£1,527 GBP
View
11 more retailers have this diamond
Prices start from HK$3,319 HKDSave up to HK$11,897 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
4.07ct Radiant
HK$3,319 HKD