CaratHunter
Plans
Round|Lab Grown|IGI

1.52ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG517203620

Shape and cutting style on the report: Round brilliant

Certificate IGI LG517203620

Diamond specifications and retailer prices

From £158 GBP
As of November 5, 2026
Save £508 GBP (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £785 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.52ct lab-grown round diamond

This 1.52ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517203620 or 517203620. Listed at 18 retailers as of November 4, 2026, with a 323% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517203620
Dimensions7.36 × 7.33 × 4.58 mm
L/W Ratio1.00
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
7.36 mm7.33 mm1.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517203620
Side View
Table 56.5%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 5
Current: £785 GBP|Low: £151 GBP|High: £791 GBP|Avg: £366 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8£158 GBP
Retailer 9£195 GBP
Retailer 10£195 GBP
Retailer 3£302 GBP
Retailer 4£328 GBP
Retailer 7£335 GBP
Retailer 2£356 GBP
Retailer 6£626 GBP
Retailer 5£629 GBP
MOH London£785 GBP

42 data points across 10 retailers

18 retailers£158 GBP to £666 GBP

Retailer 1
-
£151 GBP
Price last confirmed 36 days ago
A
Retailer 2
-
£158 GBP
View
A
Retailer 3
-
£176 GBP
View
Final sale: no returns
Retailer 4
-
£182 GBP
View
Price last confirmed 35 days ago
A
Retailer 5
-
£195 GBP
View
Retailer 6
-
£195 GBP
View
Price last confirmed 35 days ago
Retailer 7
-
£195 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
£302 GBP
View
Retailer 9
-
£328 GBP
View
Price last confirmed 8 days ago
A
Retailer 10
-
£332 GBP
View
B+
Retailer 11
-
£335 GBP
View
A
Retailer 12
-
£356 GBP
View
B+
Retailer 13
-
£385 GBP
View
Retailer 14
-
£626 GBP
View
Price last confirmed 37 days ago
B+
Retailer 15
-
£626 GBP
View
B+
Retailer 16
-
£629 GBP
View
B
Retailer 17
-
£666 GBP
View
Most Expensive
MOH London
LG517203620 · Oct 29
£785 GBP
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from £158 GBPSave up to £508 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
1.52ct Round
£158 GBP