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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG700511894

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG700511894

Diamond specifications and retailer prices

From £159 GBP
$213 USD
As of October 30, 2026
Save £1,371 GBP (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,530 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700511894 or 700511894. Listed at 25 retailers as of October 30, 2026, with prices from £159 to £1,530, a £1,371 spread on the same certified stone. Do Amore Diamonds lists it at £1,530. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700511894
Dimensions10.43 × 5.30 × 3.28 mm
L/W Ratio1.97
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
10.43 mm5.30 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700511894
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,530 GBP|Low: £159 GBP|High: £1,851 GBP|Avg: £605 GBP
Do Amore Diamonds
Retailer 2
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Retailer 24
November 1, 2026
Retailer 6£159 GBP
Retailer 23£184 GBP
Retailer 24£184 GBP
Retailer 4£197 GBP
Retailer 5£225 GBP
Retailer 22£306 GBP
Retailer 11£307 GBP
Retailer 14£333 GBP
Retailer 20£367 GBP
Retailer 9£373 GBP
Retailer 2£376 GBP
Retailer 18£412 GBP
Retailer 15£477 GBP
Retailer 21£531 GBP
Retailer 8£637 GBP
Retailer 7£700 GBP
Retailer 16£741 GBP
Retailer 12£828 GBP
Retailer 13£873 GBP
Retailer 10£922 GBP
Retailer 3£925 GBP
Retailer 19£1,052 GBP
Retailer 17£1,083 GBP
Do Amore Diamonds£1,530 GBP

30 data points across 24 retailers

25 retailers£159 GBP to £1,530 GBP

A
Cheapest Retailer
-
£159 GBP
$213 USD
A
Retailer 2
-
£184 GBP
$247 USD
View
Final sale: no returns
A
Retailer 3
-
£184 GBP
$247 USD
View
A
Retailer 4
-
£197 GBP
$264 USD
View
Retailer 5
-
£225 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
£306 GBP
HK$3,200 HKD
View
A
Retailer 7
-
£307 GBP
$412 USD
View
A
Retailer 8
-
£333 GBP
$446 USD
View
A
Retailer 9
-
£367 GBP
€468 EUR
View
A
Retailer 10
-
£373 GBP
$500 USD
View
A
Retailer 11
-
£376 GBP
ZAR 8,143 ZAR
View
A
Retailer 12
-
£412 GBP
View
Retailer 13
-
£477 GBP
$639 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£531 GBP
A$1,095 AUD
View
B+
Retailer 15
-
£630 GBP
A$1,298 AUD
View
B+
Retailer 16
-
£637 GBP
$853 USD
View
B+
Retailer 17
-
£700 GBP
$938 USD
View
B+
Retailer 18
-
£741 GBP
SGD 1,342 SGD
View
B+
Retailer 19
-
£828 GBP
$1,110 USD
View
B+
Retailer 20
-
£873 GBP
View
B
Retailer 21
-
£922 GBP
$1,236 USD
View
B+
Retailer 22
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£925 GBP
$1,240 USD
View
B
Retailer 23
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£1,052 GBP
$1,410 USD
View
Retailer 24
-
£1,083 GBP
A$2,233 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Do Amore Diamonds
27-148980873 · Oct 31
£1,530 GBP
$2,050 USD
View
24 more retailers have this diamond
Prices start from £159 GBPSave up to £1,371 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
1.03ct Marquise
£159 GBP