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Oval|Lab Grown|IGI

1.55ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG447000641

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000641

Diamond specifications and retailer prices

From HK$6,669 HKD
$850 USD
As of October 31, 2026
Save HK$32,462 HKD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$39,131 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447000641 or 447000641. Listed at 12 retailers as of October 31, 2026, with prices from HK$6,669 to HK$39,131, a HK$32,462 spread on the same certified stone. MOH London lists it at HK$39,131. 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

1.55
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000641
Dimensions9.09 × 6.59 × 4.12 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.09 mm6.59 mm1.55 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447000641
Side View
Table 57.5%Crown 34.4°Girdle: MED-THKPavilion 41.9°Culet: NoneDepth 62.5%

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$39,131 HKD|Low: HK$6,669 HKD|High: HK$39,649 HKD|Avg: HK$17,875 HKD|-1.1%
MOH London
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
November 1, 2026
Retailer 8HK$6,669 HKD
Retailer 7HK$10,498 HKD
Retailer 12HK$11,424 HKD
Retailer 13HK$11,753 HKD
Retailer 9HK$12,177 HKD
Retailer 14HK$12,177 HKD
Retailer 3HK$13,535 HKD
Retailer 5HK$16,736 HKD
Retailer 2HK$17,389 HKD
Retailer 10HK$19,246 HKD
Retailer 4HK$22,699 HKD
Retailer 11HK$22,824 HKD
Retailer 6HK$34,866 HKD
MOH LondonHK$39,131 HKD

38 data points across 14 retailers

12 retailersHK$6,669 HKD to HK$39,131 HKD

A
Cheapest Retailer
-
HK$6,669 HKD
$850 USD
B+
Retailer 2
-
HK$10,498 HKD
$1,338 USD
View
B+
Retailer 3
-
HK$11,424 HKD
$1,456 USD
View
B+
Retailer 4
-
HK$11,753 HKD
$1,498 USD
View
Final sale: no returns
Retailer 5
-
HK$12,177 HKD
$1,552 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
HK$12,177 HKD
$1,552 USD
View
B+
Retailer 7
-
HK$13,535 HKD
$1,725 USD
View
B
Retailer 8
-
HK$17,389 HKD
£1,745 GBP
View
B
Retailer 9
-
HK$19,246 HKD
$2,453 USD
View
B
Retailer 10
-
HK$22,699 HKD
$2,893 USD
View
B
Retailer 11
-
HK$22,824 HKD
$2,909 USD
View
Most Expensive
B
MOH London
LG447000641 · Nov 1
HK$39,131 HKD
£3,927 GBP
View
11 more retailers have this diamond
Prices start from HK$6,669 HKDSave up to HK$32,462 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
1.55ct Oval
HK$6,669 HKD