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1.89ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG758560174

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758560174

Diamond specifications and retailer prices

From HK$1,946 HKD
$248 USD
As of October 26, 2026
Save HK$8,019 HKD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$9,965 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.89ct lab-grown round diamond

This 1.89ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758560174 or 758560174. Listed at 19 retailers as of October 26, 2026, with prices from HK$1,946 to HK$9,965, a HK$8,019 spread on the same certified stone. Brilliant Earth lists it at HK$9,965. 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

1.89
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758560174
Dimensions7.92 × 7.88 × 4.91 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm7.88 mm1.89 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758560174
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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 26
Current: HK$9,965 HKD|Low: HK$1,930 HKD|High: HK$10,224 HKD|Avg: HK$5,132 HKD
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 6HK$1,946 HKD
Retailer 19HK$2,173 HKD
Retailer 18HK$2,252 HKD
Retailer 3HK$2,409 HKD
Retailer 16HK$2,712 HKD
Retailer 11HK$3,766 HKD
Retailer 13HK$3,768 HKD
Retailer 2HK$3,815 HKD
Retailer 7HK$4,041 HKD
Retailer 10HK$4,488 HKD
Retailer 14HK$4,543 HKD
Retailer 5HK$4,886 HKD
Retailer 17HK$5,265 HKD
Retailer 4HK$6,081 HKD
Retailer 8HK$7,572 HKD
Retailer 12HK$7,711 HKD
Retailer 9HK$7,744 HKD
Retailer 15HK$9,676 HKD
Brilliant EarthHK$9,965 HKD

35 data points across 19 retailers

19 retailersHK$1,946 HKD to HK$9,965 HKD

A
Cheapest Retailer
-
HK$1,946 HKD
$248 USD
A
Retailer 2
-
HK$2,173 HKD
$277 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,252 HKD
$287 USD
View
A
Retailer 4
-
HK$2,409 HKD
$307 USD
View
A
Retailer 5
-
HK$2,712 HKD
View
Retailer 6
-
HK$3,766 HKD
$480 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
HK$3,768 HKD
£378 GBP
View
A
Retailer 8
-
HK$3,815 HKD
€463 EUR
View
B+
Retailer 9
-
HK$4,041 HKD
$515 USD
View
A
Retailer 10
-
HK$4,488 HKD
$572 USD
View
A
Retailer 11
-
HK$4,543 HKD
£456 GBP
View
B+
Retailer 12
-
HK$4,886 HKD
A$958 AUD
View
B+
Retailer 13
-
HK$5,265 HKD
$671 USD
View
B+
Retailer 14
-
HK$6,081 HKD
$775 USD
View
B+
Retailer 15
-
HK$7,572 HKD
$965 USD
View
B+
Retailer 16
-
HK$7,711 HKD
SGD 1,328 SGD
View
B+
Retailer 17
-
HK$7,744 HKD
$987 USD
View
B
Retailer 18
-
HK$9,676 HKD
£971 GBP
View
Most Expensive
B
Brilliant Earth
21805874A · Oct 29
HK$9,965 HKD
$1,270 USD
View
18 more retailers have this diamond
Prices start from HK$1,946 HKDSave up to HK$8,019 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
1.89ct Round
HK$1,946 HKD