CaratHunter
Plans
Marquise|Lab Grown|IGI

3.51ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG706558524

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG706558524

Diamond specifications and retailer prices

From £550 GBP
$738 USD
As of November 1, 2026
Save £3,478 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,028 GBP at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 3.51ct lab-grown marquise diamond

This 3.51ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG706558524 or 706558524. Listed at 20 retailers as of October 30, 2026, with prices from £550 to £4,028, a £3,478 spread on the same certified stone. Yadav Diamonds lists it at £4,028. 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

3.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706558524
Dimensions15.27 × 7.97 × 4.92 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.27 mm7.97 mm3.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706558524
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.7%

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: Nov 1
Current: £1,009 GBP|Low: £542 GBP|High: £4,028 GBP|Avg: £1,646 GBP|+2.5%
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
Yadav Diamonds
November 2, 2026
Retailer 12£550 GBP
Retailer 8£700 GBP
Retailer 4£730 GBP
Retailer 2£804 GBP
Retailer 1£1,009 GBP
Retailer 9£1,420 GBP
Retailer 14£1,455 GBP
Retailer 10£1,460 GBP
Retailer 5£1,943 GBP
Retailer 3£1,953 GBP
Retailer 13£2,027 GBP
Retailer 6£2,250 GBP
Retailer 7£2,469 GBP
Retailer 11£3,830 GBP
Yadav Diamonds£4,028 GBP

37 data points across 15 retailers

20 retailers£550 GBP to £4,028 GBP

Retailer 1
-
£491 GBP
$659 USD
Price last confirmed 20 days ago
Retailer 2
-
£534 GBP
$717 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
£550 GBP
$738 USD
View
Final sale: no returns
Retailer 4
-
£561 GBP
$753 USD
View
Price last confirmed 21 days ago
Retailer 5
-
£569 GBP
$764 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
£700 GBP
$940 USD
View
A
Retailer 7
-
£730 GBP
$979 USD
View
A
Retailer 8
-
£804 GBP
$1,079 USD
View
A
Retailer 9
-
£1,009 GBP
View
B+
Retailer 10
-
£1,420 GBP
A$2,931 AUD
View
B+
Retailer 11
-
£1,455 GBP
$1,952 USD
View
B+
Retailer 12
-
£1,460 GBP
ZAR 31,647 ZAR
View
Retailer 13
-
£1,768 GBP
$2,372 USD
View
Price last confirmed 20 days ago
B+
Retailer 14
-
£1,943 GBP
$2,607 USD
View
Retailer 15
-
£1,953 GBP
View
Price last confirmed 18 days ago
B
Retailer 16
-
£2,027 GBP
$2,720 USD
View
B
Retailer 17
-
£2,250 GBP
$3,020 USD
View
B
Retailer 18
-
£2,469 GBP
View
B
Retailer 19
-
£3,830 GBP
$5,140 USD
View
Most Expensive
B
Yadav Diamonds
13359495 · Oct 30
£4,028 GBP
$5,405 USD
View
19 more retailers have this diamond
Prices start from £550 GBPSave up to £3,478 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
3.51ct Marquise
£550 GBP