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Marquise|Lab Grown|IGI

3.07ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG630443115

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG630443115

Diamond specifications and retailer prices

From £2,730 GBP
$3,635 USD
As of October 30, 2026
Save £10,960 GBP (80%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £20,621 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.07ct lab-grown marquise diamond

This 3.07ct lab-grown marquise 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 LG630443115 or 630443115. Listed at 26 retailers as of October 30, 2026, with a 402% 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

3.07
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630443115
Dimensions14.69 × 7.65 × 4.82 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Top View
14.69 mm7.65 mm3.07 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630443115
Side View
Table 58.0%Crown 36.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.0%

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: £23,106 GBP|Low: £3,273 GBP|High: £23,106 GBP|Avg: £7,606 GBP
Do Amore 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
October 29, 2026
Retailer 8£3,273 GBP
Retailer 5£3,476 GBP
Retailer 3£3,518 GBP
Retailer 12£3,776 GBP
Retailer 15£4,544 GBP
Retailer 6£4,795 GBP
Retailer 11£4,961 GBP
Retailer 9£5,402 GBP
Retailer 14£5,591 GBP
Retailer 10£6,130 GBP
Retailer 17£6,564 GBP
Retailer 18£7,735 GBP
Retailer 13£7,956 GBP
Retailer 4£8,730 GBP
Retailer 16£8,852 GBP
Retailer 2£8,909 GBP
Retailer 7£13,330 GBP
Do Amore Diamonds£23,106 GBP

40 data points across 18 retailers

26 retailers£2,730 GBP to £13,689 GBP

A
Cheapest Retailer
-
£2,730 GBP
$3,635 USD
Retailer 2
-
£2,997 GBP
$3,991 USD
View
Price last confirmed 11 days ago
Retailer 3
-
£3,140 GBP
$4,182 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
£3,273 GBP
$4,359 USD
View
Retailer 5
-
£3,476 GBP
$4,629 USD
View
Price last confirmed 17 days ago
Retailer 6
-
£3,476 GBP
$4,629 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
£3,518 GBP
$4,685 USD
View
A
Retailer 8
-
£3,776 GBP
$5,029 USD
View
Final sale: no returns
A
Retailer 9
-
£4,544 GBP
$6,051 USD
View
B+
Retailer 10
-
£4,604 GBP
HK$47,900 HKD
View
Retailer 11
-
£4,795 GBP
$6,385 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
£4,961 GBP
View
B+
Retailer 13
-
£5,402 GBP
View
Retailer 14
-
£5,591 GBP
$7,445 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
£6,564 GBP
$8,741 USD
View
B+
Retailer 16
-
£7,735 GBP
$10,300 USD
View
B+
Retailer 17
-
£7,956 GBP
View
Retailer 18
-
£8,730 GBP
A$17,886 AUD
View
Price last confirmed 21 days ago
Retailer 19
-
£8,852 GBP
A$18,135 AUD
View
Price last confirmed 7 days ago
B+
Retailer 20
-
£8,909 GBP
ZAR 191,668 ZAR
View
B
Retailer 21
-
£10,037 GBP
$13,365 USD
View
B
Retailer 22
-
£13,330 GBP
SGD 23,988 SGD
View
B
Retailer 23
-
£13,689 GBP
$18,230 USD
View
Most Expensive
Do Amore Diamonds
27-C83CE4541 · Oct 30
£20,621 GBP
$27,460 USD
View
Price under review
23 more retailers have this diamond
Prices start from £2,730 GBPSave up to £10,960 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
3.07ct Marquise
£2,730 GBP