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Round|Lab Grown|IGI

0.97ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG665408058

Shape and cutting style on the report: Round brilliant

Certificate IGI LG665408058

Diamond specifications and retailer prices

From £103 GBP
$137 USD
As of October 29, 2026
Save £644 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £747 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 0.97ct lab-grown round diamond

This 0.97ct 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 LG665408058 or 665408058. Listed at 20 retailers as of October 28, 2026, with prices from £103 to £747, a £644 spread on the same certified stone. Reve Diamonds lists it at £747. 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

0.97
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665408058
Dimensions6.33 × 6.28 × 3.94 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.33 mm6.28 mm0.97 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665408058
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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 29
Current: £217 GBP|Low: £102 GBP|High: £1,073 GBP|Avg: £318 GBP|+7.5%
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
Retailer 15
Reve Diamonds
October 29, 2026
Retailer 11£103 GBP
Retailer 10£115 GBP
Retailer 12£119 GBP
Retailer 4£128 GBP
Retailer 14£212 GBP
Retailer 1£217 GBP
Retailer 3£240 GBP
Retailer 8£253 GBP
Retailer 15£278 GBP
Retailer 2£311 GBP
Retailer 5£336 GBP
Retailer 7£375 GBP
Retailer 13£390 GBP
Retailer 6£453 GBP
Retailer 9£599 GBP
Reve Diamonds£747 GBP

41 data points across 16 retailers

20 retailers£103 GBP to £747 GBP

Retailer 1
-
£102 GBP
$136 USD
Price last confirmed 41 days ago
A
Retailer 2
-
£103 GBP
$137 USD
View
A
Retailer 3
-
£115 GBP
$153 USD
View
Final sale: no returns
A
Retailer 4
-
£119 GBP
$159 USD
View
Retailer 5
-
£125 GBP
$167 USD
View
Price last confirmed 40 days ago
A
Retailer 6
-
£128 GBP
$170 USD
View
A
Retailer 7
-
£212 GBP
$282 USD
View
A
Retailer 8
-
£217 GBP
View
A
Retailer 9
-
£240 GBP
$319 USD
View
A
Retailer 10
-
£253 GBP
€321 EUR
View
Retailer 11
-
£278 GBP
$370 USD
View
Price last confirmed 12 days ago
Retailer 12
-
£309 GBP
$412 USD
View
Price last confirmed 87 days ago
B+
Retailer 13
-
£311 GBP
$414 USD
View
B+
Retailer 14
-
£336 GBP
$447 USD
View
B+
Retailer 15
-
£375 GBP
$500 USD
View
B+
Retailer 16
-
£390 GBP
A$798 AUD
View
Retailer 17
-
£409 GBP
$544 USD
View
Price last confirmed 38 days ago
B
Retailer 18
-
£453 GBP
$604 USD
View
B
Retailer 19
-
£599 GBP
View
Most Expensive
B
Reve Diamonds
0F2CDFE60 · Oct 28
£747 GBP
$994 USD
View
19 more retailers have this diamond
Prices start from £103 GBPSave up to £644 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
0.97ct Round
£103 GBP