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Cushion|Lab Grown|IGI

1.98ct I SI1 Cushion Lab Grown Diamond

VG • I/SI1 • IGI LG436045621

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG436045621

Diamond specifications and retailer prices

From HK$8,473 HKD
$1,080 USD
As of October 31, 2026
Save HK$35,747 HKD (81%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$44,220 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.98ct lab-grown cushion diamond

This 1.98ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG436045621 or 436045621. Listed at 6 retailers as of October 31, 2026, with prices from HK$8,473 to HK$44,220, a HK$35,747 spread on the same certified stone. MOH London lists it at HK$44,220. 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

1.98
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045621
Dimensions7.61 × 7.57 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.61 mm7.57 mm1.98 ctI / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045621
Side View
Table 60.5%Crown 37.1°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 62.5%

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 31
Current: HK$44,220 HKD|Low: HK$8,473 HKD|High: HK$44,758 HKD|Avg: HK$23,713 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2HK$8,473 HKD
Retailer 5HK$14,946 HKD
Retailer 3HK$15,487 HKD
Retailer 6HK$16,829 HKD
Retailer 9HK$17,200 HKD
Retailer 7HK$20,799 HKD
Retailer 4HK$24,314 HKD
MOH LondonHK$44,220 HKD
Retailer 8HK$44,340 HKD

12 data points across 9 retailers

6 retailersHK$8,473 HKD to HK$44,220 HKD

B+
Cheapest Retailer
-
HK$8,473 HKD
$1,080 USD
B
Retailer 2
-
HK$14,946 HKD
$1,905 USD
View
Final sale: no returns
Retailer 3
-
HK$15,487 HKD
$1,974 USD
View
Price last confirmed 20 days ago
B
Retailer 4
-
HK$16,829 HKD
$2,145 USD
View
B
Retailer 5
-
HK$24,314 HKD
$3,099 USD
View
Most Expensive
B
MOH London
LG436045621 · Nov 1
HK$44,220 HKD
£4,438 GBP
View
5 more retailers have this diamond
Prices start from HK$8,473 HKDSave up to HK$35,747 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+
1.98ct Cushion
HK$8,473 HKD