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Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG689561855

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689561855

Diamond specifications and retailer prices

From €274 EUR
$306 USD
As of October 30, 2026
Save €1,400 EUR (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,674 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689561855 or 689561855. Listed at 18 retailers as of October 30, 2026, with prices from €274 to €1,674, a €1,400 spread on the same certified stone. Brilliant Earth lists it at €1,674. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689561855
Dimensions6.99 × 5.34 × 3.68 mm
L/W Ratio1.31
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
6.99 mm5.34 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689561855
Side View
Table 62.0%Crown 36.4°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 68.9%

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 30
Current: €1,674 EUR|Low: €260 EUR|High: €2,175 EUR|Avg: €753 EUR|-23.0%
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 30, 2026
Retailer 9€274 EUR
Retailer 14€293 EUR
Retailer 6€456 EUR
Retailer 3€487 EUR
Retailer 8€498 EUR
Retailer 12€503 EUR
Retailer 13€510 EUR
Retailer 2€559 EUR
Retailer 11€712 EUR
Retailer 15€779 EUR
Retailer 5€986 EUR
Retailer 10€1,179 EUR
Retailer 4€1,250 EUR
Retailer 7€1,299 EUR
Brilliant Earth€1,674 EUR

37 data points across 15 retailers

18 retailers€274 EUR to €1,674 EUR

A
Cheapest Retailer
-
€274 EUR
$306 USD
Final sale: no returns
A
Retailer 2
-
€293 EUR
$327 USD
View
A
Retailer 3
-
€456 EUR
$510 USD
View
A
Retailer 4
-
€487 EUR
$544 USD
View
A
Retailer 5
-
€498 EUR
View
A
Retailer 6
-
€503 EUR
ZAR 9,072 ZAR
View
A
Retailer 7
-
€510 EUR
$570 USD
View
A
Retailer 8
-
€527 EUR
$589 USD
View
A
Retailer 9
-
€559 EUR
£492 GBP
View
A
Retailer 10
-
€712 EUR
A$1,224 AUD
View
B+
Retailer 11
-
€779 EUR
$870 USD
View
B+
Retailer 12
-
€986 EUR
$1,102 USD
View
B+
Retailer 13
-
€1,082 EUR
$1,209 USD
View
B+
Retailer 14
-
€1,179 EUR
£1,037 GBP
View
Retailer 15
-
€1,187 EUR
$1,327 USD
View
Price last confirmed 61 days ago
B
Retailer 16
-
€1,250 EUR
$1,397 USD
View
Retailer 17
-
€1,299 EUR
A$2,233 AUD
View
Price last confirmed 26 days ago
Most Expensive
B
Brilliant Earth
14715268A · Oct 30
€1,674 EUR
$1,870 USD
View
17 more retailers have this diamond
Prices start from €274 EURSave up to €1,400 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
1.03ct Cushion
€274 EUR