Round|Lab Grown|IGI

0.90ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG480147118

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480147118

Diamond specifications and retailer prices

From £158 GBP
$211 USD
As of October 26, 2026
Save £765 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £924 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 0.9ct lab-grown round diamond

This 0.9ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG480147118 or 480147118. Listed at 18 retailers as of October 26, 2026, with prices from £158 to £924, a £765 spread on the same certified stone. Reve Diamonds lists it at £924. 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

0.90
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480147118
Dimensions6.24 × 6.26 × 3.70 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
6.24 mm6.26 mm0.90 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480147118
Side View
Table 61.5%Crown 32.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.2%

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: Oct 26
Current: £363 GBP|Low: £152 GBP|High: £798 GBP|Avg: £339 GBP|+6.5%
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
October 30, 2026
Retailer 13£158 GBP
Retailer 6£178 GBP
Retailer 12£184 GBP
Retailer 3£197 GBP
Retailer 11£197 GBP
Retailer 2£219 GBP
Retailer 7£332 GBP
Retailer 4£339 GBP
Retailer 1£363 GBP
Retailer 5£370 GBP
Retailer 8£380 GBP
Retailer 10£633 GBP
Retailer 14£635 GBP
Retailer 9£793 GBP

44 data points across 14 retailers

18 retailers£158 GBP to £924 GBP

A
Cheapest Retailer
-
£158 GBP
$211 USD
A
Retailer 2
-
£178 GBP
$237 USD
View
Final sale: no returns
A
Retailer 3
-
£184 GBP
$245 USD
View
A
Retailer 4
-
£197 GBP
$262 USD
View
Retailer 5
-
£197 GBP
$262 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£219 GBP
$292 USD
View
A
Retailer 7
-
£221 GBP
HK$2,300 HKD
View
B+
Retailer 8
-
£332 GBP
€421 EUR
View
B+
Retailer 9
-
£339 GBP
$451 USD
View
B
Retailer 10
-
£363 GBP
View
B
Retailer 11
-
£370 GBP
$493 USD
View
B+
Retailer 12
-
£380 GBP
View
B
Retailer 13
-
£535 GBP
SGD 962 SGD
View
B
Retailer 14
-
£633 GBP
$843 USD
View
Retailer 15
-
£635 GBP
$846 USD
View
Price last confirmed 7 days ago
B
Retailer 16
-
£673 GBP
$896 USD
View
B
Retailer 17
-
£793 GBP
View
Most Expensive
B
Reve Diamonds
E65C2BC06 · Oct 28
£924 GBP
$1,230 USD
View
17 more retailers have this diamond
Prices start from £158 GBPSave up to £765 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
0.90ct Round
£158 GBP