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1.80ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG638427518

Shape and cutting style on the report: Round brilliant

Certificate IGI LG638427518

Diamond specifications and retailer prices

From HK$2,166 HKD
$276 USD
As of October 31, 2026
Save HK$14,547 HKD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$16,712 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG638427518 or 638427518. Listed at 11 retailers as of October 31, 2026, with prices from HK$2,166 to HK$16,712, a HK$14,547 spread on the same certified stone. Do Amore Diamonds lists it at HK$16,712. 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

1.80
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638427518
Dimensions7.86 × 7.80 × 4.78 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
7.86 mm7.80 mm1.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638427518
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

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$16,712 HKD|Low: HK$2,134 HKD|High: HK$16,712 HKD|Avg: HK$6,463 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7HK$2,166 HKD
Retailer 8HK$3,696 HKD
Retailer 9HK$4,245 HKD
Retailer 2HK$4,385 HKD
Retailer 3HK$4,485 HKD
Retailer 6HK$6,975 HKD
Retailer 5HK$6,983 HKD
Retailer 10HK$7,673 HKD
Retailer 4HK$9,566 HKD
Do Amore DiamondsHK$16,712 HKD

44 data points across 10 retailers

11 retailersHK$2,166 HKD to HK$16,712 HKD

A
Cheapest Retailer
-
HK$2,166 HKD
$276 USD
A
Retailer 2
-
HK$3,539 HKD
$451 USD
View
B+
Retailer 3
-
HK$3,696 HKD
$471 USD
View
A
Retailer 4
-
HK$4,245 HKD
$541 USD
View
A
Retailer 5
-
HK$4,385 HKD
£440 GBP
View
A
Retailer 6
-
HK$4,485 HKD
£450 GBP
View
B
Retailer 7
-
HK$6,975 HKD
$889 USD
View
B+
Retailer 8
-
HK$6,983 HKD
$890 USD
View
B
Retailer 9
-
HK$7,673 HKD
$978 USD
View
B
Retailer 10
-
HK$9,566 HKD
£960 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B5EA51ED6 · Nov 2
HK$16,712 HKD
$2,130 USD
View
10 more retailers have this diamond
Prices start from HK$2,166 HKDSave up to HK$14,547 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
1.80ct Round
HK$2,166 HKD