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Radiant|Lab Grown|IGI

12.59ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG844618078

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

Certificate IGI LG844618078

Diamond specifications and retailer prices

From HK$17,671 HKD
£1,773 GBP
As of October 30, 2026
Save HK$25,179 HKD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$42,850 HKD at Yorxs · As of October 23, 2026
View at Yorxs

About this 12.59ct lab-grown radiant diamond

This 12.59ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844618078 or 844618078. Listed at 6 retailers as of October 23, 2026, with prices from HK$17,671 to HK$42,850, a HK$25,179 spread on the same certified stone. Yorxs lists it at HK$42,850. 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

12.59
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844618078
Dimensions16.53 × 11.44 × 7.82 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.53 mm11.44 mm12.59 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844618078
Side View
Table 72.0%Crown 43.9°Girdle: MediumPavilion 35.7°CuletDepth 68.4%

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 30
Current: HK$17,671 HKD|Low: HK$17,617 HKD|High: HK$42,850 HKD|Avg: HK$31,819 HKD|-13.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
October 30, 2026
Retailer 1HK$17,671 HKD
Retailer 4HK$29,032 HKD
Retailer 3HK$32,892 HKD
Retailer 2HK$34,202 HKD
Retailer 5HK$40,725 HKD
YorxsHK$42,850 HKD

24 data points across 6 retailers

6 retailersHK$17,671 HKD to HK$42,850 HKD

A
Cheapest Retailer
-
HK$17,671 HKD
£1,773 GBP
A
Retailer 2
-
HK$29,032 HKD
$3,700 USD
View
A
Retailer 3
-
HK$32,892 HKD
$4,192 USD
View
A
Retailer 4
-
HK$34,202 HKD
$4,359 USD
View
Retailer 5
-
HK$40,725 HKD
A$7,985 AUD
View
Price last confirmed 7 days ago
Most Expensive
B+
Yorxs
620917142 · Oct 23
HK$42,850 HKD
€5,201 EUR
View
5 more retailers have this diamond
Prices start from HK$17,671 HKDSave up to HK$25,179 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
12.59ct Radiant
HK$17,671 HKD