Radiant|Lab Grown|IGI

12.57ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG702553544

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

Certificate IGI LG702553544

Diamond specifications and retailer prices

From HK$61,273 HKD
$7,809 USD
As of October 29, 2026
Save HK$113,397 HKD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$231,102 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 12.57ct lab-grown radiant diamond

This 12.57ct 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 LG702553544 or 702553544. Listed at 19 retailers as of October 29, 2026, with a 185% 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

12.57
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.1°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702553544
Dimensions10.90 × 10.90 × 7.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm10.90 mm12.57 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702553544
Side View
Table 62.0%Crown 48.1°Girdle: MED-STKPavilion 31.1°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$86,355 HKD|Low: HK$43,759 HKD|High: HK$380,393 HKD|Avg: HK$116,451 HKD|-0.0%
Retailer 1
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
October 30, 2026
Retailer 4HK$57,232 HKD
Retailer 3HK$61,273 HKD
Retailer 10HK$62,379 HKD
Retailer 12HK$63,164 HKD
Retailer 2HK$69,441 HKD
Retailer 11HK$72,948 HKD
Retailer 1HK$86,355 HKD
Retailer 6HK$100,446 HKD
Retailer 7HK$108,442 HKD
Retailer 14HK$109,118 HKD
Retailer 13HK$116,095 HKD
Retailer 9HK$133,563 HKD
Retailer 5HK$174,669 HKD
Retailer 8HK$341,397 HKD

44 data points across 14 retailers

19 retailersHK$61,273 HKD to HK$174,669 HKD

Retailer 1
-
HK$52,524 HKD
$6,694 USD
Price last confirmed 28 days ago
Retailer 2
-
HK$56,902 HKD
$7,252 USD
View
Price last confirmed 32 days ago
B+
Retailer 3
-
HK$61,273 HKD
$7,809 USD
View
Final sale: no returns
Retailer 4
-
HK$62,379 HKD
$7,950 USD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
HK$63,164 HKD
$8,050 USD
View
Retailer 6
-
HK$63,462 HKD
$8,088 USD
View
Price last confirmed 27 days ago
B+
Retailer 7
-
HK$69,441 HKD
$8,850 USD
View
B+
Retailer 8
-
HK$72,948 HKD
$9,297 USD
View
B
Retailer 9
-
HK$74,046 HKD
$9,437 USD
View
Retailer 10
-
HK$78,786 HKD
$10,041 USD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
HK$86,355 HKD
£8,666 GBP
View
B
Retailer 12
-
HK$100,446 HKD
£10,080 GBP
View
B
Retailer 13
-
HK$108,442 HKD
ZAR 223,274 ZAR
View
Retailer 14
-
HK$109,118 HKD
A$21,395 AUD
View
Price last confirmed 21 days ago
B
Retailer 15
-
HK$116,095 HKD
$14,796 USD
View
Retailer 16
-
HK$133,563 HKD
A$26,188 AUD
View
Price last confirmed 7 days ago
B
Retailer 17
-
HK$174,669 HKD
$22,261 USD
View
Most Expensive
Taylor and Hart
XRLM00C · Oct 30
HK$231,102 HKD
$29,453 USD
View
Price under review
17 more retailers have this diamond
Prices start from HK$61,273 HKDSave up to HK$113,397 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.

B+
12.57ct Radiant
HK$61,273 HKD