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Oval|Lab Grown|IGI

1.72ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG735550873

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG735550873

Diamond specifications and retailer prices

From €206 EUR
$229 USD
As of October 26, 2026
Save €1,052 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,258 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.72ct lab-grown oval diamond

This 1.72ct 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 LG735550873 or 735550873. Listed at 19 retailers as of October 26, 2026, with prices from €206 to €1,258, a €1,052 spread on the same certified stone. Brilliant Earth lists it at €1,258. 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

1.72
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735550873
Dimensions10.02 × 6.61 × 4.18 mm
L/W Ratio1.52
Girdle conditionFaceted
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
10.02 mm6.61 mm1.72 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735550873
Side View
Table 61.0%Crown 35.6°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: €1,258 EUR|Low: €198 EUR|High: €1,258 EUR|Avg: €520 EUR
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
October 29, 2026
Retailer 13€206 EUR
Retailer 6€230 EUR
Retailer 4€239 EUR
Retailer 7€255 EUR
Retailer 14€255 EUR
Retailer 2€286 EUR
Retailer 9€420 EUR
Retailer 15€433 EUR
Retailer 8€474 EUR
Retailer 5€557 EUR
Retailer 3€820 EUR
Retailer 12€823 EUR
Retailer 11€1,028 EUR
Retailer 10€1,028 EUR
Brilliant Earth€1,258 EUR

43 data points across 15 retailers

19 retailers€206 EUR to €1,258 EUR

A
Cheapest Retailer
-
€206 EUR
$229 USD
A
Retailer 2
-
€230 EUR
$256 USD
View
Final sale: no returns
A
Retailer 3
-
€239 EUR
$266 USD
View
A
Retailer 4
-
€255 EUR
$284 USD
View
A
Retailer 5
-
€255 EUR
$284 USD
View
A
Retailer 6
-
€286 EUR
£250 GBP
View
A
Retailer 7
-
€420 EUR
View
B+
Retailer 8
-
€433 EUR
$482 USD
View
A
Retailer 9
-
€474 EUR
£415 GBP
View
B+
Retailer 10
-
€557 EUR
$620 USD
View
B+
Retailer 11
-
€560 EUR
$624 USD
View
B
Retailer 12
-
€815 EUR
SGD 1,226 SGD
View
B
Retailer 13
-
€820 EUR
$913 USD
View
B+
Retailer 14
-
€823 EUR
$916 USD
View
B
Retailer 15
-
€867 EUR
$965 USD
View
B
Retailer 16
-
€1,028 EUR
£901 GBP
View
B
Retailer 17
-
€1,028 EUR
$1,145 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
€1,042 EUR
$1,160 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
16385956A · Oct 28
€1,258 EUR
$1,400 USD
View
18 more retailers have this diamond
Prices start from €206 EURSave up to €1,052 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
1.72ct Oval
€206 EUR