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Round|Lab Grown|IGI

6.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG621407755

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621407755

Diamond specifications and retailer prices

From HK$99,397 HKD
$12,669 USD
As of October 31, 2026
Save HK$347,259 HKD (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$446,656 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 6.09ct lab-grown round diamond

This 6.09ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG621407755 or 621407755. Listed at 23 retailers as of October 30, 2026, with prices from HK$99,397 to HK$446,656, a HK$347,259 spread on the same certified stone. Do Amore Diamonds lists it at HK$446,656. 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

6.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621407755
Dimensions11.68 × 11.70 × 7.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
11.68 mm11.70 mm6.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621407755
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.4%

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$143,646 HKD|Low: HK$95,718 HKD|High: HK$1,111,155 HKD|Avg: HK$238,684 HKD|+1.3%
Retailer 1
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
November 1, 2026
Retailer 6HK$99,444 HKD
Retailer 17HK$99,703 HKD
Retailer 7HK$102,096 HKD
Retailer 16HK$109,134 HKD
Retailer 9HK$111,660 HKD
Retailer 3HK$114,532 HKD
Retailer 2HK$115,653 HKD
Retailer 8HK$119,639 HKD
Retailer 15HK$120,847 HKD
Retailer 1HK$143,646 HKD
Retailer 13HK$201,602 HKD
Retailer 18HK$209,480 HKD
Retailer 11HK$211,528 HKD
Retailer 14HK$240,471 HKD
Retailer 12HK$247,036 HKD
Retailer 4HK$371,717 HKD
Retailer 10HK$386,199 HKD
Retailer 5HK$1,111,155 HKD

44 data points across 18 retailers

23 retailersHK$99,397 HKD to HK$446,656 HKD

A
Cheapest Retailer
-
HK$99,397 HKD
$12,669 USD
A
Retailer 2
-
HK$99,444 HKD
$12,675 USD
View
A
Retailer 3
-
HK$99,703 HKD
$12,708 USD
View
A
Retailer 4
-
HK$102,096 HKD
$13,013 USD
View
A
Retailer 5
-
HK$109,134 HKD
$13,910 USD
View
A
Retailer 6
-
HK$111,660 HKD
$14,232 USD
View
Final sale: no returns
A
Retailer 7
-
HK$114,532 HKD
$14,598 USD
View
A
Retailer 8
-
HK$115,653 HKD
$14,741 USD
View
Retailer 9
-
HK$115,653 HKD
$14,741 USD
View
Price last confirmed 15 days ago
A
Retailer 10
-
HK$119,639 HKD
$15,249 USD
View
A
Retailer 11
-
HK$120,847 HKD
$15,403 USD
View
A
Retailer 12
-
HK$143,646 HKD
£14,416 GBP
View
B+
Retailer 13
-
HK$201,602 HKD
£20,233 GBP
View
B+
Retailer 14
-
HK$209,480 HKD
$26,700 USD
View
B+
Retailer 15
-
HK$211,528 HKD
$26,961 USD
View
Retailer 16
-
HK$240,471 HKD
A$47,154 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
HK$247,036 HKD
ZAR 508,672 ZAR
View
B
Retailer 18
-
HK$318,264 HKD
$40,565 USD
View
B
Retailer 19
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HK$332,124 HKD
$42,332 USD
View
B
Retailer 20
-
HK$371,717 HKD
$47,379 USD
View
B
Retailer 21
-
HK$386,199 HKD
$49,224 USD
View
Most Expensive
B
Do Amore Diamonds
27-D8B355AB8 · Oct 30
HK$446,656 HKD
$56,930 USD
View
21 more retailers have this diamond
Prices start from HK$99,397 HKDSave up to HK$347,259 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
6.09ct Round
HK$99,397 HKD