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Oval|Lab Grown|IGI

1.21ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG717587141

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG717587141

Diamond specifications and retailer prices

From $419 NZD
$236 USD
As of October 29, 2026
Save $3,431 NZD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,850 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.21ct lab-grown oval diamond

This 1.21ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG717587141 or 717587141. Listed at 24 retailers as of October 29, 2026, with prices from $419 to $3,850, a $3,431 spread on the same certified stone. Brilliant Earth lists it at $3,850. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717587141
Dimensions8.44 × 6.05 × 3.79 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
8.44 mm6.05 mm1.21 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717587141
Side View
Table 60.0%Crown 37.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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 29
Current: $3,850 NZD|Low: $415 NZD|High: $3,850 NZD|Avg: $1,377 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 21
October 31, 2026
Retailer 10$419 NZD
Retailer 16$467 NZD
Retailer 20$484 NZD
Retailer 5$518 NZD
Retailer 14$518 NZD
Retailer 6$875 NZD
Retailer 17$891 NZD
Retailer 4$944 NZD
Retailer 19$972 NZD
Retailer 13$979 NZD
Retailer 2$1,036 NZD
Retailer 18$1,264 NZD
Retailer 8$1,363 NZD
Retailer 3$1,386 NZD
Retailer 9$1,666 NZD
Retailer 12$1,759 NZD
Retailer 11$2,082 NZD
Retailer 15$2,119 NZD
Retailer 7$2,319 NZD
Retailer 21$2,626 NZD
Brilliant Earth$3,850 NZD

38 data points across 21 retailers

24 retailers$419 NZD to $3,850 NZD

Retailer 1
-
$415 NZD
$234 USD
Price last confirmed 39 days ago
A
Retailer 2
-
$419 NZD
$236 USD
View
A
Retailer 3
-
$467 NZD
$263 USD
View
Final sale: no returns
A
Retailer 4
-
$484 NZD
$273 USD
View
Retailer 5
-
$507 NZD
$286 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$518 NZD
$292 USD
View
A
Retailer 7
-
$518 NZD
$292 USD
View
A
Retailer 8
-
$875 NZD
$493 USD
View
A
Retailer 9
-
$891 NZD
ZAR 8,108 ZAR
View
A
Retailer 10
-
$944 NZD
$532 USD
View
A
Retailer 11
-
$972 NZD
€522 EUR
View
A
Retailer 12
-
$979 NZD
£435 GBP
View
A
Retailer 13
-
$1,036 NZD
A$898 AUD
View
B+
Retailer 14
-
$1,264 NZD
A$1,096 AUD
View
B+
Retailer 15
-
$1,363 NZD
$768 USD
View
B+
Retailer 16
-
$1,386 NZD
$781 USD
View
B+
Retailer 17
-
$1,666 NZD
$939 USD
View
B+
Retailer 18
-
$1,759 NZD
$991 USD
View
B
Retailer 19
-
$1,890 NZD
$1,065 USD
View
Retailer 20
-
$2,082 NZD
£924 GBP
View
Price last confirmed 16 days ago
B
Retailer 21
-
$2,119 NZD
A$1,837 AUD
View
B
Retailer 22
-
$2,319 NZD
$1,307 USD
View
Retailer 23
-
$2,626 NZD
$1,480 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
15472593A · Oct 29
$3,850 NZD
$2,170 USD
View
23 more retailers have this diamond
Prices start from $419 NZDSave up to $3,431 NZD

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
1.21ct Oval
$419 NZD