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Marquise|Lab Grown|IGI

1.61ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG823635222

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823635222

Diamond specifications and retailer prices

From £519 GBP
$696 USD
As of October 30, 2026
Save £2,234 GBP (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,754 GBP at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 1.61ct lab-grown marquise diamond

This 1.61ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823635222 or 823635222. Listed at 24 retailers as of October 30, 2026, with prices from £519 to £2,754, a £2,234 spread on the same certified stone. Novita Diamonds lists it at £2,754. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823635222
Dimensions12.05 × 6.18 × 3.82 mm
L/W Ratio1.95
Girdle conditionFaceted
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
12.05 mm6.18 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823635222
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.8%

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: £2,754 GBP|Low: £499 GBP|High: £2,791 GBP|Avg: £1,399 GBP|-1.3%
Novita Diamonds
Retailer 2
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November 1, 2026
Retailer 5£519 GBP
Retailer 22£565 GBP
Retailer 14£581 GBP
Retailer 9£603 GBP
Retailer 19£697 GBP
Retailer 18£743 GBP
Retailer 4£875 GBP
Retailer 12£945 GBP
Retailer 20£956 GBP
Retailer 13£966 GBP
Retailer 17£1,108 GBP
Retailer 21£1,484 GBP
Retailer 16£1,500 GBP
Retailer 8£1,694 GBP
Retailer 10£1,877 GBP
Retailer 3£1,951 GBP
Retailer 7£2,031 GBP
Retailer 15£2,072 GBP
Retailer 11£2,078 GBP
Retailer 6£2,146 GBP
Retailer 2£2,367 GBP
Novita Diamonds£2,754 GBP

36 data points across 22 retailers

24 retailers£519 GBP to £2,754 GBP

A
Cheapest Retailer
-
£519 GBP
$696 USD
A
Retailer 2
-
£565 GBP
$757 USD
View
A
Retailer 3
-
£581 GBP
$778 USD
View
Final sale: no returns
Retailer 4
-
£603 GBP
$808 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£603 GBP
$808 USD
View
A
Retailer 6
-
£697 GBP
HK$7,300 HKD
View
A
Retailer 7
-
£743 GBP
$995 USD
View
A
Retailer 8
-
£875 GBP
$1,172 USD
View
A
Retailer 9
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£945 GBP
$1,266 USD
View
Retailer 10
-
£956 GBP
€1,220 EUR
View
Price last confirmed 7 days ago
A
Retailer 11
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£966 GBP
View
A
Retailer 12
-
£1,108 GBP
ZAR 23,980 ZAR
View
B+
Retailer 13
-
£1,484 GBP
$1,989 USD
View
B+
Retailer 14
-
£1,500 GBP
A$3,093 AUD
View
B+
Retailer 15
-
£1,694 GBP
$2,270 USD
View
B+
Retailer 16
-
£1,877 GBP
View
B+
Retailer 17
-
£1,951 GBP
$2,614 USD
View
B
Retailer 18
-
£2,031 GBP
SGD 3,678 SGD
View
B
Retailer 19
-
£2,072 GBP
$2,777 USD
View
B
Retailer 20
-
£2,078 GBP
$2,785 USD
View
B
Retailer 21
-
£2,146 GBP
$2,876 USD
View
B
Retailer 22
-
£2,256 GBP
View
B+
Retailer 23
-
£2,367 GBP
View
Most Expensive
B
Novita Diamonds
cert_823635222 · Oct 31
£2,754 GBP
A$5,676 AUD
View
23 more retailers have this diamond
Prices start from £519 GBPSave up to £2,234 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
1.61ct Marquise
£519 GBP