Round|Lab Grown|GCAL

1.68ct D IF Round Lab Grown Diamond

ID • D/IF • GCAL 360166065

Shape and cutting style on the report: Round brilliant

Certificate GCAL 360166065

Diamond specifications and retailer prices

From £730 GBP
$978 USD
As of October 30, 2026
Save £3,300 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,030 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.68ct lab-grown round diamond

This 1.68ct lab-grown round 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 GCAL 360166065. Listed at 11 retailers as of October 30, 2026, with prices from £730 to £4,030, a £3,300 spread on the same certified stone. Do Amore Diamonds lists it at £4,030. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360166065
Dimensions7.62 × 7.65 × 4.69 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.62 mm7.65 mm1.68 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360166065
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

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 30
Current: £4,030 GBP|Low: £730 GBP|High: £4,030 GBP|Avg: £2,124 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5£730 GBP
Retailer 11£792 GBP
Retailer 4£959 GBP
Retailer 6£1,047 GBP
Retailer 9£1,884 GBP
Retailer 8£1,903 GBP
Retailer 2£2,194 GBP
Retailer 12£2,225 GBP
Retailer 3£2,918 GBP
Retailer 7£3,135 GBP
Retailer 10£3,713 GBP
Do Amore Diamonds£4,030 GBP

13 data points across 12 retailers

11 retailers£730 GBP to £4,030 GBP

A
Cheapest Retailer
-
£730 GBP
$978 USD
Retailer 2
-
£792 GBP
$1,061 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
£1,047 GBP
A$2,158 AUD
View
B
Retailer 4
-
£1,791 GBP
$2,400 USD
View
B
Retailer 5
-
£1,884 GBP
CA$3,506 CAD
View
Retailer 6
-
£1,903 GBP
$2,550 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
£2,194 GBP
$2,940 USD
View
B
Retailer 8
-
£2,918 GBP
$3,910 USD
View
B
Retailer 9
-
£3,135 GBP
$4,200 USD
View
Retailer 10
-
£3,713 GBP
$4,975 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
32-360166065 · Oct 31
£4,030 GBP
$5,400 USD
View
10 more retailers have this diamond
Prices start from £730 GBPSave up to £3,300 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
1.68ct Round
£730 GBP