CaratHunter
Plans
Round|Lab Grown|IGI

3.66ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG611370735

Shape and cutting style on the report: Round brilliant

Certificate IGI LG611370735

Diamond specifications and retailer prices

From HK$3,609 HKD
$460 USD
As of October 27, 2026
Save HK$25,029 HKD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$28,638 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.66ct lab-grown round diamond

This 3.66ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG611370735 or 611370735. Listed at 10 retailers as of October 27, 2026, with prices from HK$3,609 to HK$28,638, a HK$25,029 spread on the same certified stone. Do Amore Diamonds lists it at HK$28,638. 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

3.66
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611370735
Dimensions10.03 × 9.93 × 5.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.03 mm9.93 mm3.66 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611370735
Side View
Table 59.0%Crown 32.8°Girdle: Med.Pavilion 40.8°Culet: NoneDepth 59.9%

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 27
Current: HK$28,638 HKD|Low: HK$2,644 HKD|High: HK$29,344 HKD|Avg: HK$11,212 HKD|-2.4%
Do Amore Diamonds
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
October 29, 2026
Retailer 13HK$3,225 HKD
Retailer 8HK$3,609 HKD
Retailer 3HK$3,696 HKD
Retailer 11HK$6,324 HKD
Retailer 7HK$6,355 HKD
Retailer 5HK$7,565 HKD
Retailer 6HK$8,152 HKD
Retailer 4HK$8,372 HKD
Retailer 12HK$10,211 HKD
Retailer 9HK$11,212 HKD
Retailer 10HK$14,178 HKD
Retailer 2HK$16,292 HKD
Retailer 14HK$19,851 HKD
Do Amore DiamondsHK$28,638 HKD

23 data points across 14 retailers

10 retailersHK$3,609 HKD to HK$28,638 HKD

Retailer 1
-
HK$3,225 HKD
$411 USD
Price last confirmed 7 days ago
A
Retailer 2
-
HK$3,609 HKD
$460 USD
View
B+
Retailer 3
-
HK$6,324 HKD
$806 USD
View
A
Retailer 4
-
HK$6,355 HKD
$810 USD
View
B+
Retailer 5
-
HK$10,211 HKD
$1,301 USD
View
Retailer 6
-
HK$11,212 HKD
$1,429 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
HK$14,178 HKD
$1,807 USD
View
B
Retailer 8
-
HK$16,292 HKD
£1,635 GBP
View
B
Retailer 9
-
HK$19,851 HKD
$2,530 USD
View
Most Expensive
B
Do Amore Diamonds
27-6F588CD1B · Oct 29
HK$28,638 HKD
$3,650 USD
View
9 more retailers have this diamond
Prices start from HK$3,609 HKDSave up to HK$25,029 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
3.66ct Round
HK$3,609 HKD