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Oval|Lab Grown|IGI

1.20ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG778610912

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778610912

Diamond specifications and retailer prices

From $397 NZD
$224 USD
As of October 30, 2026
Save $2,938 NZD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,336 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.2ct lab-grown oval diamond

This 1.2ct 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 LG778610912 or 778610912. Listed at 22 retailers as of October 29, 2026, with prices from $397 to $3,336, a $2,938 spread on the same certified stone. Brilliant Earth lists it at $3,336. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778610912
Dimensions8.80 × 5.93 × 3.67 mm
L/W Ratio1.48
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
8.80 mm5.93 mm1.20 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778610912
Side View
Table 60.0%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.9%

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: $3,336 NZD|Low: $335 NZD|High: $3,336 NZD|Avg: $1,199 NZD
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
October 31, 2026
Retailer 10$397 NZD
Retailer 8$444 NZD
Retailer 3$621 NZD
Retailer 15$743 NZD
Retailer 12$757 NZD
Retailer 2$808 NZD
Retailer 5$938 NZD
Retailer 4$1,008 NZD
Retailer 13$1,077 NZD
Retailer 9$1,121 NZD
Retailer 16$1,345 NZD
Retailer 6$1,512 NZD
Retailer 11$2,071 NZD
Retailer 7$2,120 NZD
Retailer 14$2,590 NZD
Brilliant Earth$3,336 NZD

37 data points across 16 retailers

22 retailers$397 NZD to $3,336 NZD

Retailer 1
-
$355 NZD
$200 USD
Price last confirmed 20 days ago
Retailer 2
-
$358 NZD
$202 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$397 NZD
$224 USD
View
Final sale: no returns
Retailer 4
-
$415 NZD
$234 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$438 NZD
$247 USD
View
Price last confirmed 36 days ago
Retailer 6
-
$440 NZD
$248 USD
View
Price last confirmed 23 days ago
Retailer 7
-
$440 NZD
$248 USD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
$621 NZD
$350 USD
View
A
Retailer 9
-
$757 NZD
ZAR 6,892 ZAR
View
A
Retailer 10
-
$808 NZD
£359 GBP
View
A
Retailer 11
-
$938 NZD
$529 USD
View
A
Retailer 12
-
$1,008 NZD
$568 USD
View
A
Retailer 13
-
$1,077 NZD
A$934 AUD
View
B+
Retailer 14
-
$1,121 NZD
$632 USD
View
B+
Retailer 15
-
$1,345 NZD
$758 USD
View
Retailer 16
-
$1,418 NZD
$799 USD
View
Price last confirmed 24 days ago
B+
Retailer 17
-
$1,421 NZD
$801 USD
View
B+
Retailer 18
-
$1,512 NZD
$852 USD
View
B+
Retailer 19
-
$2,071 NZD
£919 GBP
View
B
Retailer 20
-
$2,120 NZD
$1,195 USD
View
Retailer 21
-
$2,590 NZD
$1,460 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
18047805A · Oct 29
$3,336 NZD
$1,880 USD
View
21 more retailers have this diamond
Prices start from $397 NZDSave up to $2,938 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
1.20ct Oval
$397 NZD