CaratHunter
Plans
Round|Lab Grown|IGI

6.31ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG634473125

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634473125

Diamond specifications and retailer prices

From HK$79,108 HKD
$10,083 USD
As of October 29, 2026
Save HK$299,652 HKD (79%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$378,760 HKD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 6.31ct lab-grown round diamond

This 6.31ct 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 LG634473125 or 634473125. Listed at 24 retailers as of October 29, 2026, with prices from HK$79,108 to HK$378,760, a HK$299,652 spread on the same certified stone. Michael Trio lists it at HK$378,760. 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

6.31
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634473125
Dimensions11.83 × 11.80 × 7.34 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
11.83 mm11.80 mm6.31 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634473125
Side View
Table 56.0%Crown 35.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

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$378,760 HKD|Low: HK$79,108 HKD|High: HK$378,760 HKD|Avg: HK$143,831 HKD
Michael Trio
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
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 4HK$79,108 HKD
Retailer 3HK$82,270 HKD
Retailer 19HK$84,655 HKD
Retailer 6HK$89,647 HKD
Retailer 7HK$91,763 HKD
Retailer 5HK$94,925 HKD
Retailer 9HK$97,946 HKD
Retailer 20HK$97,954 HKD
Retailer 8HK$98,879 HKD
Retailer 11HK$100,825 HKD
Retailer 17HK$108,569 HKD
Retailer 13HK$120,073 HKD
Retailer 15HK$133,220 HKD
Retailer 18HK$156,316 HKD
Retailer 14HK$167,835 HKD
Retailer 2HK$170,905 HKD
Retailer 21HK$191,530 HKD
Retailer 16HK$195,998 HKD
Retailer 10HK$199,087 HKD
Retailer 12HK$252,525 HKD
Michael TrioHK$378,760 HKD

29 data points across 21 retailers

24 retailersHK$79,108 HKD to HK$378,760 HKD

A
Cheapest Retailer
-
HK$79,108 HKD
$10,083 USD
A
Retailer 2
-
HK$80,364 HKD
$10,243 USD
View
A
Retailer 3
-
HK$82,270 HKD
$10,486 USD
View
A
Retailer 4
-
HK$84,655 HKD
$10,790 USD
View
Retailer 5
-
HK$89,647 HKD
£8,997 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$91,763 HKD
$11,696 USD
View
A
Retailer 7
-
HK$94,925 HKD
$12,099 USD
View
A
Retailer 8
-
HK$97,946 HKD
$12,484 USD
View
A
Retailer 9
-
HK$97,954 HKD
$12,485 USD
View
A
Retailer 10
-
HK$98,879 HKD
$12,603 USD
View
A
Retailer 11
-
HK$100,825 HKD
$12,851 USD
View
A
Retailer 12
-
HK$108,569 HKD
$13,838 USD
View
Final sale: no returns
A
Retailer 13
-
HK$120,073 HKD
£12,051 GBP
View
A
Retailer 14
-
HK$133,220 HKD
$16,980 USD
View
B+
Retailer 15
-
HK$156,316 HKD
£15,688 GBP
View
B+
Retailer 16
-
HK$167,835 HKD
$21,392 USD
View
B+
Retailer 17
-
HK$170,905 HKD
€20,746 EUR
View
Retailer 18
-
HK$191,530 HKD
A$37,557 AUD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
HK$195,998 HKD
ZAR 403,580 ZAR
View
Retailer 20
-
HK$199,087 HKD
A$39,039 AUD
View
Price last confirmed 23 days ago
B
Retailer 21
-
HK$252,525 HKD
$32,186 USD
View
B
Retailer 22
-
HK$301,138 HKD
$38,383 USD
View
B
Retailer 23
-
HK$354,390 HKD
$45,170 USD
View
Most Expensive
B
Michael Trio
4751405420 · Oct 31
HK$378,760 HKD
SGD 65,238 SGD
View
23 more retailers have this diamond
Prices start from HK$79,108 HKDSave up to HK$299,652 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
6.31ct Round
HK$79,108 HKD