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Cushion|Lab Grown|IGI

3.00ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG689565708

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG689565708

Diamond specifications and retailer prices

From £1,172 GBP
$1,570 USD
As of October 31, 2026
Save £4,512 GBP (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £7,620 GBP at Novita Diamonds · As of October 5, 2026
View at Novita Diamonds

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689565708 or 689565708. Listed at 20 retailers as of October 31, 2026, with a 385% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.00
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689565708
Dimensions8.54 × 8.27 × 5.40 mm
L/W Ratio1.03
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
8.54 mm8.27 mm3.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689565708
Side View
Table 61.0%Crown 36.6°Girdle: STK-VTKPavilion 38°Culet: NoneDepth 65.3%

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 31
Current: £7,620 GBP|Low: £1,072 GBP|High: £7,620 GBP|Avg: £3,123 GBP
Novita Diamonds
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
October 31, 2026
Retailer 12£1,172 GBP
Retailer 14£1,227 GBP
Retailer 13£1,281 GBP
Retailer 6£1,357 GBP
Retailer 2£1,566 GBP
Retailer 19£1,798 GBP
Retailer 9£1,829 GBP
Retailer 17£2,155 GBP
Retailer 18£2,579 GBP
Retailer 3£2,684 GBP
Retailer 10£2,739 GBP
Retailer 8£3,054 GBP
Retailer 15£3,470 GBP
Retailer 4£3,589 GBP
Retailer 16£3,899 GBP
Retailer 5£3,924 GBP
Retailer 11£5,471 GBP
Retailer 7£5,684 GBP
Novita Diamonds£7,620 GBP

30 data points across 19 retailers

20 retailers£1,172 GBP to £5,684 GBP

A
Cheapest Retailer
-
£1,172 GBP
$1,570 USD
A
Retailer 2
-
£1,227 GBP
$1,644 USD
View
Final sale: no returns
A
Retailer 3
-
£1,281 GBP
$1,717 USD
View
A
Retailer 4
-
£1,357 GBP
HK$14,200 HKD
View
A
Retailer 5
-
£1,566 GBP
View
A
Retailer 6
-
£1,798 GBP
€2,294 EUR
View
A
Retailer 7
-
£1,829 GBP
$2,450 USD
View
A
Retailer 8
-
£2,155 GBP
$2,888 USD
View
A
Retailer 9
-
£2,579 GBP
ZAR 55,835 ZAR
View
A
Retailer 10
-
£2,684 GBP
View
Retailer 11
-
£2,739 GBP
A$5,646 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
£3,054 GBP
$4,092 USD
View
B+
Retailer 13
-
£3,470 GBP
$4,650 USD
View
B+
Retailer 14
-
£3,589 GBP
View
B+
Retailer 15
-
£3,899 GBP
$5,224 USD
View
B+
Retailer 16
-
£3,924 GBP
SGD 7,105 SGD
View
Retailer 17
-
£4,164 GBP
$5,580 USD
View
Price last confirmed 96 days ago
B
Retailer 18
-
£5,471 GBP
$7,330 USD
View
B
Retailer 19
-
£5,684 GBP
$7,616 USD
View
Most Expensive
Novita Diamonds
cert_689565708 · Oct 5
£7,620 GBP
A$15,708 AUD
View
Price last confirmed 26 days ago
19 more retailers have this diamond
Prices start from £1,172 GBPSave up to £4,512 GBP

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
3.00ct Cushion
£1,172 GBP