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Cushion|Lab Grown|IGI

4.30ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780662157

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780662157

Diamond specifications and retailer prices

From HK$31,618 HKD
$4,030 USD
As of October 30, 2026
Save HK$165,309 HKD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$196,927 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.3ct lab-grown cushion diamond

This 4.3ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662157 or 780662157. Listed at 11 retailers as of October 30, 2026, with prices from HK$31,618 to HK$196,927, a HK$165,309 spread on the same certified stone. Do Amore Diamonds lists it at HK$196,927. 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

4.30
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662157
Dimensions10.59 × 8.55 × 5.87 mm
L/W Ratio1.24
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
10.59 mm8.55 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662157
Side View
Table 57.0%Crown 35.5°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 68.7%

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 30
Current: HK$196,927 HKD|Low: HK$31,618 HKD|High: HK$260,713 HKD|Avg: HK$89,066 HKD|-24.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2HK$31,618 HKD
Retailer 7HK$33,187 HKD
Retailer 5HK$37,628 HKD
Retailer 11HK$45,050 HKD
Retailer 9HK$53,539 HKD
Retailer 6HK$63,194 HKD
Retailer 3HK$68,373 HKD
Retailer 10HK$79,065 HKD
Retailer 8HK$91,100 HKD
Retailer 4HK$104,505 HKD
Do Amore DiamondsHK$196,927 HKD

28 data points across 11 retailers

11 retailersHK$31,618 HKD to HK$196,927 HKD

A
Cheapest Retailer
-
HK$31,618 HKD
$4,030 USD
A
Retailer 2
-
HK$33,187 HKD
$4,230 USD
View
A
Retailer 3
-
HK$37,628 HKD
$4,796 USD
View
A
Retailer 4
-
HK$45,050 HKD
$5,742 USD
View
Final sale: no returns
A
Retailer 5
-
HK$53,539 HKD
$6,824 USD
View
A
Retailer 6
-
HK$63,194 HKD
€7,671 EUR
View
Retailer 7
-
HK$68,373 HKD
$8,715 USD
View
Price last confirmed 82 days ago
B+
Retailer 8
-
HK$79,065 HKD
£7,935 GBP
View
B+
Retailer 9
-
HK$91,100 HKD
$11,612 USD
View
B+
Retailer 10
-
HK$104,505 HKD
$13,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-446F75BE7 · Oct 31
HK$196,927 HKD
$25,100 USD
View
10 more retailers have this diamond
Prices start from HK$31,618 HKDSave up to HK$165,309 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
4.30ct Cushion
HK$31,618 HKD