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Round|Lab Grown|IGI

3.70ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG790606731

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790606731

Diamond specifications and retailer prices

From HK$12,224 HKD
$1,558 USD
As of October 29, 2026
Save HK$88,358 HKD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$100,582 HKD at Brilliant Earth · As of October 30, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790606731 or 790606731. Listed at 14 retailers as of October 29, 2026, with prices from HK$12,224 to HK$100,582, a HK$88,358 spread on the same certified stone. Brilliant Earth lists it at HK$100,582. 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790606731
Dimensions9.96 × 9.92 × 6.10 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
9.96 mm9.92 mm3.70 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790606731
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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 29
Current: HK$100,582 HKD|Low: HK$8,732 HKD|High: HK$143,890 HKD|Avg: HK$44,207 HKD|-30.1%
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
October 31, 2026
Retailer 5HK$12,224 HKD
Retailer 11HK$12,506 HKD
Retailer 18HK$13,604 HKD
Retailer 13HK$16,405 HKD
Retailer 2HK$25,648 HKD
Retailer 4HK$25,993 HKD
Retailer 16HK$26,008 HKD
Retailer 17HK$30,010 HKD
Retailer 3HK$34,984 HKD
Retailer 6HK$36,832 HKD
Retailer 8HK$40,288 HKD
Retailer 10HK$41,766 HKD
Retailer 12HK$45,964 HKD
Retailer 15HK$47,976 HKD
Retailer 7HK$67,481 HKD
Retailer 9HK$77,521 HKD
Retailer 14HK$85,989 HKD
Brilliant EarthHK$100,582 HKD

30 data points across 18 retailers

14 retailersHK$12,224 HKD to HK$100,582 HKD

A
Cheapest Retailer
-
HK$12,224 HKD
$1,558 USD
Final sale: no returns
A
Retailer 2
-
HK$12,506 HKD
$1,594 USD
View
A
Retailer 3
-
HK$13,604 HKD
$1,734 USD
View
A
Retailer 4
-
HK$16,405 HKD
$2,091 USD
View
A
Retailer 5
-
HK$25,648 HKD
$3,269 USD
View
A
Retailer 6
-
HK$25,993 HKD
$3,313 USD
View
A
Retailer 7
-
HK$26,008 HKD
$3,315 USD
View
B+
Retailer 8
-
HK$30,010 HKD
$3,825 USD
View
B+
Retailer 9
-
HK$34,984 HKD
$4,459 USD
View
B+
Retailer 10
-
HK$45,964 HKD
£4,613 GBP
View
B+
Retailer 11
-
HK$47,976 HKD
$6,115 USD
View
Retailer 12
-
HK$52,370 HKD
$6,675 USD
View
Price last confirmed 23 days ago
B
Retailer 13
-
HK$85,989 HKD
$10,960 USD
View
Most Expensive
B
Brilliant Earth
21413588Y · Oct 30
HK$100,582 HKD
$12,820 USD
View
13 more retailers have this diamond
Prices start from HK$12,224 HKDSave up to HK$88,358 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$12,224 HKD