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3.70ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG840632431

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840632431

Diamond specifications and retailer prices

From HK$14,946 HKD
As of November 3, 2026
Save HK$81,636 HKD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$96,582 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632431 or 840632431. Listed at 22 retailers as of November 3, 2026, with prices from HK$14,946 to HK$96,582, a HK$81,636 spread on the same certified stone. Brilliant Earth lists it at HK$96,582. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.70
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632431
Dimensions9.93 × 9.99 × 6.06 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.93 mm9.99 mm3.70 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632431
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.9%

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: Nov 3
Current: HK$96,582 HKD|Low: HK$14,946 HKD|High: HK$109,841 HKD|Avg: HK$38,490 HKD|-12.1%
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 22HK$14,946 HKD
Retailer 9HK$16,264 HKD
Retailer 6HK$16,782 HKD
Retailer 12HK$17,339 HKD
Retailer 19HK$17,575 HKD
Retailer 14HK$18,846 HKD
Retailer 16HK$20,587 HKD
Retailer 13HK$23,514 HKD
Retailer 21HK$25,177 HKD
Retailer 17HK$27,162 HKD
Retailer 20HK$28,174 HKD
Retailer 7HK$28,472 HKD
Retailer 4HK$32,497 HKD
Retailer 5HK$40,382 HKD
Retailer 8HK$45,098 HKD
Retailer 18HK$46,408 HKD
Retailer 2HK$49,389 HKD
Retailer 11HK$58,545 HKD
Retailer 3HK$60,719 HKD
Retailer 10HK$64,132 HKD
Retailer 15HK$73,751 HKD
Brilliant EarthHK$96,582 HKD

22 data points across 22 retailers

22 retailersHK$14,946 HKD to HK$96,582 HKD

A
Cheapest Retailer
-
HK$14,946 HKD
A
Retailer 2
-
HK$16,264 HKD
View
A
Retailer 3
-
HK$16,782 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$17,339 HKD
View
A
Retailer 5
-
HK$17,575 HKD
View
A
Retailer 6
-
HK$18,846 HKD
View
B+
Retailer 7
-
HK$20,587 HKD
View
B+
Retailer 8
-
HK$23,514 HKD
View
B+
Retailer 9
-
HK$25,177 HKD
View
B+
Retailer 10
-
HK$27,162 HKD
View
B+
Retailer 11
-
HK$28,174 HKD
View
B+
Retailer 12
-
HK$28,472 HKD
View
B
Retailer 13
-
HK$32,497 HKD
View
B+
Retailer 14
-
HK$40,382 HKD
View
B+
Retailer 15
-
HK$45,098 HKD
View
B
Retailer 16
-
HK$46,408 HKD
View
B+
Retailer 17
-
HK$49,389 HKD
View
B
Retailer 18
-
HK$58,545 HKD
View
B
Retailer 19
-
HK$60,719 HKD
View
B
Retailer 20
-
HK$64,132 HKD
View
B
Retailer 21
-
HK$73,751 HKD
View
Most Expensive
B
Brilliant Earth
21826977A · Nov 4
HK$96,582 HKD
$12,310 USD
View
21 more retailers have this diamond
Prices start from HK$14,946 HKDSave up to HK$81,636 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
3.70ct Round
HK$14,946 HKD