CaratHunter
Plans
Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG727587277

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG727587277

Diamond specifications and retailer prices

From £230 GBP
$308 USD
As of October 30, 2026
Save £1,755 GBP (88%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £1,985 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval 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 IGI LG727587277 or 727587277. Listed at 31 retailers as of October 30, 2026, with prices from £230 to £1,985, a £1,755 spread on the same certified stone. Brilliant Earth lists it at £1,985. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727587277
Dimensions9.63 × 6.56 × 4.00 mm
L/W Ratio1.47
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
9.63 mm6.56 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727587277
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.0%

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: £1,985 GBP|Low: £217 GBP|High: £2,500 GBP|Avg: £846 GBP|-20.6%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 19£230 GBP
Retailer 21£355 GBP
Retailer 11£363 GBP
Retailer 3£375 GBP
Retailer 18£437 GBP
Retailer 8£438 GBP
Retailer 17£456 GBP
Retailer 2£469 GBP
Retailer 9£538 GBP
Retailer 10£596 GBP
Retailer 4£611 GBP
Retailer 16£618 GBP
Retailer 20£740 GBP
Retailer 6£946 GBP
Retailer 12£978 GBP
Retailer 5£1,032 GBP
Retailer 14£1,046 GBP
Retailer 13£1,070 GBP
Retailer 22£1,441 GBP
Retailer 7£1,724 GBP
Retailer 15£1,806 GBP
Brilliant Earth£1,985 GBP

38 data points across 22 retailers

31 retailers£230 GBP to £1,985 GBP

Retailer 1
-
£206 GBP
$276 USD
Price last confirmed 33 days ago
Retailer 2
-
£225 GBP
$302 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
£230 GBP
$308 USD
View
Final sale: no returns
Retailer 4
-
£240 GBP
$321 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
£240 GBP
$322 USD
View
Retailer 6
-
£240 GBP
$322 USD
View
Price last confirmed 21 days ago
Retailer 7
-
£240 GBP
$322 USD
View
Price last confirmed 29 days ago
Retailer 8
-
£252 GBP
$338 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
£355 GBP
$475 USD
View
A
Retailer 10
-
£363 GBP
HK$3,800 HKD
View
A
Retailer 11
-
£375 GBP
$502 USD
View
A
Retailer 12
-
£437 GBP
€558 EUR
View
A
Retailer 13
-
£438 GBP
$587 USD
View
A
Retailer 14
-
£456 GBP
ZAR 9,878 ZAR
View
A
Retailer 15
-
£469 GBP
View
A
Retailer 16
-
£538 GBP
A$1,108 AUD
View
A
Retailer 17
-
£596 GBP
$798 USD
View
A
Retailer 18
-
£611 GBP
$819 USD
View
A
Retailer 19
-
£618 GBP
A$1,273 AUD
View
B+
Retailer 20
-
£740 GBP
$991 USD
View
Retailer 21
-
£854 GBP
$1,144 USD
View
Price last confirmed 21 days ago
Retailer 22
-
£908 GBP
$1,216 USD
View
Price last confirmed 31 days ago
B+
Retailer 23
-
£946 GBP
$1,267 USD
View
B+
Retailer 24
-
£978 GBP
$1,310 USD
View
B+
Retailer 25
-
£1,032 GBP
$1,383 USD
View
B+
Retailer 26
-
£1,046 GBP
SGD 1,894 SGD
View
B+
Retailer 27
-
£1,070 GBP
View
Retailer 28
-
£1,441 GBP
A$2,970 AUD
View
Price last confirmed 23 days ago
B
Retailer 29
-
£1,724 GBP
$2,310 USD
View
Retailer 30
-
£1,806 GBP
$2,420 USD
View
Price last confirmed 33 days ago
Most Expensive
B
Brilliant Earth
16223322Y · Oct 30
£1,985 GBP
$2,660 USD
View
30 more retailers have this diamond
Prices start from £230 GBPSave up to £1,755 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
1.55ct Oval
£230 GBP