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Cushion|Lab Grown|IGI

3.10ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG811674439

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG811674439

Diamond specifications and retailer prices

From HK$14,012 HKD
$1,786 USD
As of October 29, 2026
Save HK$36,988 HKD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$51,001 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811674439 or 811674439. Listed at 16 retailers as of October 29, 2026, with prices from HK$14,012 to HK$51,001, a HK$36,988 spread on the same certified stone. Taylor and Hart lists it at HK$51,001. 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

3.10
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811674439
Dimensions11.05 × 7.34 × 4.58 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.05 mm7.34 mm3.10 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811674439
Side View
Table 54.0%Crown 41.5°Girdle: MED-STKPavilion 35°Culet: NoneDepth 62.4%

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 29
Current: HK$16,029 HKD|Low: HK$14,012 HKD|High: HK$54,894 HKD|Avg: HK$30,120 HKD|-1.0%
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
Taylor and Hart
October 30, 2026
Retailer 2HK$14,012 HKD
Retailer 3HK$14,522 HKD
Retailer 14HK$15,848 HKD
Retailer 1HK$16,029 HKD
Retailer 5HK$16,711 HKD
Retailer 8HK$20,570 HKD
Retailer 11HK$20,752 HKD
Retailer 4HK$25,632 HKD
Retailer 12HK$32,842 HKD
Retailer 9HK$33,716 HKD
Retailer 6HK$35,034 HKD
Retailer 15HK$39,127 HKD
Retailer 10HK$41,520 HKD
Retailer 13HK$44,300 HKD
Retailer 7HK$48,554 HKD
Taylor and HartHK$51,001 HKD

42 data points across 16 retailers

16 retailersHK$14,012 HKD to HK$51,001 HKD

A
Cheapest Retailer
-
HK$14,012 HKD
$1,786 USD
Final sale: no returns
Retailer 2
-
HK$14,522 HKD
$1,851 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
HK$15,848 HKD
$2,020 USD
View
A
Retailer 4
-
HK$16,029 HKD
£1,609 GBP
View
A
Retailer 5
-
HK$16,711 HKD
$2,130 USD
View
A
Retailer 6
-
HK$20,570 HKD
£2,064 GBP
View
A
Retailer 7
-
HK$20,752 HKD
$2,645 USD
View
A
Retailer 8
-
HK$25,632 HKD
$3,267 USD
View
Retailer 9
-
HK$32,842 HKD
A$6,440 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
HK$33,716 HKD
ZAR 69,424 ZAR
View
B+
Retailer 11
-
HK$35,034 HKD
£3,516 GBP
View
B+
Retailer 12
-
HK$39,127 HKD
$4,987 USD
View
B+
Retailer 13
-
HK$41,520 HKD
£4,167 GBP
View
B+
Retailer 14
-
HK$44,300 HKD
$5,646 USD
View
B+
Retailer 15
-
HK$48,554 HKD
SGD 8,363 SGD
View
Most Expensive
B+
Taylor and Hart
4F0QWPP · Oct 30
HK$51,001 HKD
$6,500 USD
View
15 more retailers have this diamond
Prices start from HK$14,012 HKDSave up to HK$36,988 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
3.10ct Cushion
HK$14,012 HKD