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Asscher|Lab Grown|IGI

1.33ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG816672817

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG816672817

Diamond specifications and retailer prices

From £170 GBP
$228 USD
As of November 2, 2026
Save £1,693 GBP (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,863 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.33ct lab-grown asscher diamond

This 1.33ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816672817 or 816672817. Listed at 20 retailers as of November 2, 2026, with prices from £170 to £1,863, a £1,693 spread on the same certified stone. Brilliant Earth lists it at £1,863. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816672817
Dimensions6.18 × 6.14 × 3.92 mm
L/W Ratio1.01
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
6.18 mm6.14 mm1.33 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816672817
Side View
Table 62.0%Crown 34.4°Girdle: MediumPavilion 41°Culet: NoneDepth 63.8%

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: Nov 2
Current: £1,863 GBP|Low: £170 GBP|High: £1,863 GBP|Avg: £664 GBP
Brilliant Earth
Retailer 2
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November 2, 2026
Retailer 19£170 GBP
Retailer 8£190 GBP
Retailer 5£197 GBP
Retailer 20£211 GBP
Retailer 13£240 GBP
Retailer 10£359 GBP
Retailer 15£402 GBP
Retailer 14£444 GBP
Retailer 7£527 GBP
Retailer 18£567 GBP
Retailer 2£580 GBP
Retailer 3£749 GBP
Retailer 16£837 GBP
Retailer 9£876 GBP
Retailer 11£901 GBP
Retailer 6£909 GBP
Retailer 17£939 GBP
Retailer 4£1,632 GBP
Retailer 12£1,669 GBP
Brilliant Earth£1,863 GBP

39 data points across 20 retailers

20 retailers£170 GBP to £1,863 GBP

A
Cheapest Retailer
-
£170 GBP
$228 USD
A
Retailer 2
-
£190 GBP
$255 USD
View
Final sale: no returns
A
Retailer 3
-
£197 GBP
$265 USD
View
A
Retailer 4
-
£211 GBP
$283 USD
View
A
Retailer 5
-
£240 GBP
View
A
Retailer 6
-
£359 GBP
$482 USD
View
A
Retailer 7
-
£402 GBP
ZAR 8,720 ZAR
View
A
Retailer 8
-
£444 GBP
View
A
Retailer 9
-
£527 GBP
$707 USD
View
A
Retailer 10
-
£567 GBP
A$1,170 AUD
View
B+
Retailer 11
-
£580 GBP
$778 USD
View
B+
Retailer 12
-
£749 GBP
$1,005 USD
View
B+
Retailer 13
-
£837 GBP
A$1,727 AUD
View
B+
Retailer 14
-
£876 GBP
$1,176 USD
View
B+
Retailer 15
-
£901 GBP
SGD 1,634 SGD
View
B+
Retailer 16
-
£909 GBP
View
B+
Retailer 17
-
£939 GBP
View
B
Retailer 18
-
£1,632 GBP
$2,190 USD
View
Retailer 19
-
£1,669 GBP
$2,240 USD
View
Price last confirmed 28 days ago
Most Expensive
B
Brilliant Earth
22138507Y · Nov 2
£1,863 GBP
$2,500 USD
View
19 more retailers have this diamond
Prices start from £170 GBPSave up to £1,693 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
1.33ct Asscher
£170 GBP