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3.51ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG32642770

Certificate IGI LG32642770

Diamond specifications and retailer prices

From HK$12,061 HKD
CA$2,135 CAD
As of October 30, 2026
Save HK$6,228 HKD (34%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$18,289 HKD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 3.51ct lab-grown round diamond

This 3.51ct 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 LG32642770 or 32642770. Listed at 2 retailers as of October 29, 2026, with prices from HK$12,061 to HK$18,289, a HK$6,228 spread on the same certified stone. Blue Nile lists it at HK$18,289. 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

3.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG32642770
Dimensions9.82 × 9.78 × 5.94 mm
L/W Ratio1.00
Top View
9.82 mm9.78 mm3.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG32642770
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$18,289 HKD|Low: HK$6,186 HKD|High: HK$23,931 HKD|Avg: HK$11,710 HKD|-23.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
October 13, 2026
Retailer 3HK$6,186 HKD
Retailer 4HK$8,733 HKD
Retailer 2HK$12,061 HKD
Blue NileHK$18,289 HKD

56 data points across 4 retailers

2 retailersHK$12,061 HKD to HK$18,289 HKD

B+
Cheapest Retailer
-
HK$12,061 HKD
CA$2,135 CAD
Most Expensive
B
Blue Nile
20170799 · Oct 29
HK$18,289 HKD
$2,331 USD
View
1 more retailer has this diamond
Prices start from HK$12,061 HKDSave up to HK$6,228 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.

B+
3.51ct Round
HK$12,061 HKD