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Radiant|Lab Grown|IGI

1.35ct E SI1 Radiant Lab Grown Diamond

GD • E/SI1 • IGI LG703511325

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

Certificate IGI LG703511325

Diamond specifications and retailer prices

From HK$3,091 HKD
$394 USD
As of October 29, 2026
Save HK$7,370 HKD (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$11,490 HKD at MOH London · As of October 19, 2026
View at MOH London

About this 1.35ct lab-grown radiant diamond

This 1.35ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG703511325 or 703511325. Listed at 7 retailers as of October 29, 2026, with a 238% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.35
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG703511325
Dimensions8.20 × 5.47 × 3.59 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm5.47 mm1.35 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG703511325
Side View
Table 63.0%Crown 35.4°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 65.6%

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$11,490 HKD|Low: HK$3,084 HKD|High: HK$11,569 HKD|Avg: HK$6,075 HKD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6HK$3,091 HKD
Retailer 4HK$4,284 HKD
Retailer 5HK$4,590 HKD
Retailer 2HK$5,038 HKD
Retailer 3HK$5,571 HKD
Retailer 7HK$10,462 HKD
MOH LondonHK$11,490 HKD

32 data points across 7 retailers

7 retailersHK$3,091 HKD to HK$10,462 HKD

B+
Cheapest Retailer
-
HK$3,091 HKD
$394 USD
B
Retailer 2
-
HK$4,284 HKD
$546 USD
View
B
Retailer 3
-
HK$4,590 HKD
$585 USD
View
B
Retailer 4
-
HK$5,038 HKD
£506 GBP
View
Retailer 5
-
HK$5,571 HKD
$710 USD
View
Price last confirmed 8 days ago
C
Retailer 6
-
HK$10,462 HKD
$1,333 USD
View
Most Expensive
MOH London
LG703511325 · Oct 19
HK$11,490 HKD
£1,153 GBP
View
Price last confirmed 11 days ago
6 more retailers have this diamond
Prices start from HK$3,091 HKDSave up to HK$7,370 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+
1.35ct Radiant
HK$3,091 HKD