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Oval|Lab Grown|IGI

1.54ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG520285353

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG520285353

Diamond specifications and retailer prices

From €245 EUR
$274 USD
As of November 1, 2026
Save €820 EUR (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,065 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval 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 LG520285353 or 520285353. Listed at 22 retailers as of October 31, 2026, with prices from €245 to €1,065, a €820 spread on the same certified stone. Brilliant Earth lists it at €1,065. 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

1.54
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520285353
Dimensions9.17 × 6.56 × 4.18 mm
L/W Ratio1.40
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
9.17 mm6.56 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520285353
Side View
Table 59.5%Crown 36°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.7%

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: Nov 1
Current: €1,065 EUR|Low: €169 EUR|High: €1,101 EUR|Avg: €612 EUR|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8€245 EUR
Retailer 6€371 EUR
Retailer 4€441 EUR
Retailer 10€467 EUR
Retailer 9€489 EUR
Retailer 3€498 EUR
Retailer 7€837 EUR
Retailer 5€849 EUR
Retailer 2€1,055 EUR
Brilliant Earth€1,065 EUR

42 data points across 10 retailers

22 retailers€245 EUR to €1,065 EUR

Retailer 1
-
€212 EUR
$237 USD
Price last confirmed 33 days ago
A
Retailer 2
-
€245 EUR
$274 USD
View
Final sale: no returns
Retailer 3
-
€246 EUR
$275 USD
View
Price last confirmed 18 days ago
Retailer 4
-
€246 EUR
$275 USD
View
Price last confirmed 37 days ago
Retailer 5
-
€260 EUR
$290 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
€263 EUR
$294 USD
View
Retailer 7
-
€263 EUR
$294 USD
View
Price last confirmed 22 days ago
Retailer 8
-
€263 EUR
$294 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
€309 EUR
HK$2,700 HKD
View
B+
Retailer 10
-
€371 EUR
$415 USD
View
A
Retailer 11
-
€441 EUR
View
B+
Retailer 12
-
€467 EUR
$522 USD
View
B+
Retailer 13
-
€489 EUR
$546 USD
View
B+
Retailer 14
-
€498 EUR
£438 GBP
View
B
Retailer 15
-
€837 EUR
$935 USD
View
Retailer 16
-
€846 EUR
$945 USD
View
Price last confirmed 22 days ago
Retailer 17
-
€846 EUR
$945 USD
View
Price last confirmed 32 days ago
B
Retailer 18
-
€849 EUR
$948 USD
View
B
Retailer 19
-
€890 EUR
SGD 1,344 SGD
View
B
Retailer 20
-
€892 EUR
$997 USD
View
B
Retailer 21
-
€1,055 EUR
£928 GBP
View
Most Expensive
B
Brilliant Earth
5627585A · Oct 31
€1,065 EUR
$1,190 USD
View
21 more retailers have this diamond
Prices start from €245 EURSave up to €820 EUR

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
1.54ct Oval
€245 EUR