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Round|Lab Grown|IGI

1.15ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG445039317

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445039317

Diamond specifications and retailer prices

From HK$5,178 HKD
As of November 5, 2026
Save HK$27,741 HKD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$32,919 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.15ct lab-grown round diamond

This 1.15ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445039317 or 445039317. Listed at 13 retailers as of November 5, 2026, with prices from HK$5,178 to HK$32,919, a HK$27,741 spread on the same certified stone. MOH London lists it at HK$32,919. 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

1.15
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039317
Dimensions6.77 × 6.78 × 4.10 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.77 mm6.78 mm1.15 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445039317
Side View
Table 59.5%Crown 31.4°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.5%

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: Nov 5
Current: HK$32,919 HKD|Low: HK$5,178 HKD|High: HK$33,457 HKD|Avg: HK$13,766 HKD|-0.3%
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 6, 2026
Retailer 8HK$5,178 HKD
Retailer 9HK$8,394 HKD
Retailer 14HK$9,132 HKD
Retailer 13HK$9,399 HKD
Retailer 10HK$9,736 HKD
Retailer 12HK$9,736 HKD
Retailer 4HK$11,101 HKD
Retailer 2HK$11,172 HKD
Retailer 5HK$13,902 HKD
Retailer 11HK$15,510 HKD
Retailer 7HK$16,553 HKD
Retailer 3HK$18,248 HKD
Retailer 6HK$19,746 HKD
MOH LondonHK$32,919 HKD

43 data points across 14 retailers

13 retailersHK$5,178 HKD to HK$32,919 HKD

A
Cheapest Retailer
-
HK$5,178 HKD
B+
Retailer 2
-
HK$8,394 HKD
View
B+
Retailer 3
-
HK$9,132 HKD
View
B+
Retailer 4
-
HK$9,399 HKD
View
Final sale: no returns
Retailer 5
-
HK$9,736 HKD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
HK$9,736 HKD
View
B+
Retailer 7
-
HK$11,101 HKD
View
B+
Retailer 8
-
HK$11,172 HKD
View
B
Retailer 9
-
HK$15,510 HKD
View
B
Retailer 10
-
HK$16,553 HKD
View
B
Retailer 11
-
HK$18,248 HKD
View
B
Retailer 12
-
HK$19,746 HKD
View
Most Expensive
B
MOH London
LG445039317 · Nov 5
HK$32,919 HKD
£3,304 GBP
View
12 more retailers have this diamond
Prices start from HK$5,178 HKDSave up to HK$27,741 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
1.15ct Round
HK$5,178 HKD