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Oval|Lab Grown|IGI

4.37ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG780663609

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780663609

Diamond specifications and retailer prices

From $5,368 NZD
$3,015 USD
As of October 29, 2026
Save $22,746 NZD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $28,114 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.37ct lab-grown oval diamond

This 4.37ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780663609 or 780663609. Listed at 15 retailers as of October 29, 2026, with prices from $5,368 to $28,114, a $22,746 spread on the same certified stone. Brilliant Earth lists it at $28,114. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.37
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663609
Dimensions13.01 × 9.31 × 5.81 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
13.01 mm9.31 mm4.37 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663609
Side View
Table 62.0%Crown 36.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: $28,114 NZD|Low: $5,368 NZD|High: $28,114 NZD|Avg: $12,987 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
October 30, 2026
Retailer 5$5,368 NZD
Retailer 15$6,381 NZD
Retailer 2$7,038 NZD
Retailer 12$7,870 NZD
Retailer 10$8,329 NZD
Retailer 8$11,095 NZD
Retailer 7$11,322 NZD
Retailer 11$11,698 NZD
Retailer 4$13,694 NZD
Retailer 14$13,918 NZD
Retailer 9$14,031 NZD
Retailer 6$18,186 NZD
Retailer 3$19,821 NZD
Retailer 13$22,342 NZD
Brilliant Earth$28,114 NZD

42 data points across 15 retailers

15 retailers$5,368 NZD to $28,114 NZD

A
Cheapest Retailer
-
$5,368 NZD
$3,015 USD
A
Retailer 2
-
$6,381 NZD
HK$28,000 HKD
View
A
Retailer 3
-
$7,038 NZD
£3,112 GBP
View
A
Retailer 4
-
$7,870 NZD
$4,420 USD
View
A
Retailer 5
-
$8,329 NZD
€4,455 EUR
View
A
Retailer 6
-
$11,095 NZD
ZAR 100,672 ZAR
View
A
Retailer 7
-
$11,322 NZD
$6,359 USD
View
Retailer 8
-
$11,698 NZD
$6,570 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$13,694 NZD
$7,691 USD
View
B+
Retailer 10
-
$13,918 NZD
$7,817 USD
View
B+
Retailer 11
-
$14,031 NZD
£6,205 GBP
View
B+
Retailer 12
-
$18,186 NZD
$10,214 USD
View
B+
Retailer 13
-
$20,225 NZD
$11,359 USD
View
Retailer 14
-
$22,342 NZD
A$19,305 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
19088562A · Oct 29
$28,114 NZD
$15,790 USD
View
14 more retailers have this diamond
Prices start from $5,368 NZDSave up to $22,746 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
4.37ct Oval
$5,368 NZD