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Round|Lab Grown|IGI

5.07ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG578344803

Shape and cutting style on the report: Round brilliant

Certificate IGI LG578344803

Diamond specifications and retailer prices

From $9,675 NZD
£4,294 GBP
As of November 1, 2026
Save $35,363 NZD (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $45,038 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.07ct lab-grown round diamond

This 5.07ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG578344803 or 578344803. Listed at 23 retailers as of October 31, 2026, with prices from $9,675 to $45,038, a $35,363 spread on the same certified stone. Taylor and Hart lists it at $45,038. 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

5.07
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578344803
Dimensions10.95 × 10.98 × 6.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
10.95 mm10.98 mm5.07 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578344803
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.0%

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: Nov 1
Current: $9,675 NZD|Low: $9,672 NZD|High: $38,378 NZD|Avg: $19,714 NZD|-0.5%
Retailer 1
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
November 1, 2026
Retailer 1$9,675 NZD
Retailer 15$11,215 NZD
Retailer 6$11,835 NZD
Retailer 7$12,562 NZD
Retailer 5$13,011 NZD
Retailer 12$13,014 NZD
Retailer 2$15,087 NZD
Retailer 14$15,470 NZD
Retailer 8$16,252 NZD
Retailer 9$21,460 NZD
Retailer 11$26,148 NZD
Retailer 10$26,433 NZD
Retailer 13$27,288 NZD
Retailer 4$31,465 NZD
Retailer 3$38,378 NZD

42 data points across 15 retailers

23 retailers$9,675 NZD to $45,038 NZD

A
Cheapest Retailer
-
$9,675 NZD
£4,294 GBP
A
Retailer 2
-
$11,215 NZD
$6,321 USD
View
A
Retailer 3
-
$11,664 NZD
$6,574 USD
View
A
Retailer 4
-
$11,835 NZD
$6,670 USD
View
A
Retailer 5
-
$12,562 NZD
$7,080 USD
View
Final sale: no returns
A
Retailer 6
-
$13,011 NZD
$7,333 USD
View
Retailer 7
-
$13,011 NZD
$7,333 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$13,014 NZD
$7,335 USD
View
Retailer 9
-
$15,087 NZD
$8,503 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$15,445 NZD
$8,705 USD
View
A
Retailer 11
-
$15,470 NZD
$8,719 USD
View
A
Retailer 12
-
$15,896 NZD
$8,959 USD
View
A
Retailer 13
-
$16,252 NZD
£7,212 GBP
View
A
Retailer 14
-
$21,460 NZD
€11,519 EUR
View
A
Retailer 15
-
$26,148 NZD
£11,604 GBP
View
A
Retailer 16
-
$26,433 NZD
ZAR 240,670 ZAR
View
Retailer 17
-
$27,288 NZD
A$23,661 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$31,465 NZD
$17,734 USD
View
B+
Retailer 19
-
$33,155 NZD
$18,686 USD
View
B+
Retailer 20
-
$36,203 NZD
$20,404 USD
View
B+
Retailer 21
-
$38,378 NZD
$21,630 USD
View
B+
Retailer 22
-
$38,669 NZD
$21,794 USD
View
Most Expensive
B
Taylor and Hart
KTOB8QV · Oct 31
$45,038 NZD
$25,384 USD
View
22 more retailers have this diamond
Prices start from $9,675 NZDSave up to $35,363 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
5.07ct Round
$9,675 NZD