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Radiant|Lab Grown|IGI

1.74ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG487108318

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

Certificate IGI LG487108318

Diamond specifications and retailer prices

From HK$8,630 HKD
$1,100 USD
As of October 31, 2026
Save HK$34,414 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$43,045 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.74ct lab-grown radiant diamond

This 1.74ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487108318 or 487108318. Listed at 10 retailers as of October 31, 2026, with prices from HK$8,630 to HK$43,045, a HK$34,414 spread on the same certified stone. MOH London lists it at HK$43,045. 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

1.74
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487108318
Dimensions7.98 × 6.03 × 4.07 mm
L/W Ratio1.32
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.98 mm6.03 mm1.74 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487108318
Side View
Table 65.5%Crown 45.2°Girdle: MED-STKPavilion 31.9°Culet: NoneDepth 67.5%

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 31
Current: HK$43,045 HKD|Low: HK$8,630 HKD|High: HK$43,563 HKD|Avg: HK$21,109 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2HK$8,630 HKD
Retailer 5HK$12,992 HKD
Retailer 9HK$14,138 HKD
Retailer 6HK$15,072 HKD
Retailer 10HK$16,398 HKD
Retailer 3HK$16,439 HKD
Retailer 11HK$20,234 HKD
Retailer 7HK$23,686 HKD
Retailer 4HK$25,985 HKD
Retailer 8HK$28,252 HKD
MOH LondonHK$43,045 HKD

17 data points across 11 retailers

10 retailersHK$8,630 HKD to HK$43,045 HKD

A
Cheapest Retailer
-
HK$8,630 HKD
$1,100 USD
B+
Retailer 2
-
HK$12,992 HKD
$1,656 USD
View
B+
Retailer 3
-
HK$14,138 HKD
$1,802 USD
View
Retailer 4
-
HK$15,072 HKD
$1,921 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
HK$15,072 HKD
$1,921 USD
View
B+
Retailer 6
-
HK$16,398 HKD
$2,090 USD
View
B
Retailer 7
-
HK$23,686 HKD
$3,019 USD
View
B
Retailer 8
-
HK$25,985 HKD
$3,312 USD
View
B
Retailer 9
-
HK$28,252 HKD
$3,601 USD
View
Most Expensive
B
MOH London
LG487108318 · Nov 1
HK$43,045 HKD
£4,320 GBP
View
9 more retailers have this diamond
Prices start from HK$8,630 HKDSave up to HK$34,414 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
1.74ct Radiant
HK$8,630 HKD