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Round|Lab Grown|IGI

5.91ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG807651601

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807651601

Diamond specifications and retailer prices

From $1,321 NZD
$742 USD
As of October 29, 2026
Save $6,276 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,722 NZD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 5.91ct lab-grown round diamond

This 5.91ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807651601 or 807651601. Listed at 14 retailers as of October 28, 2026, with a 475% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.91
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807651601
Dimensions11.61 × 11.66 × 7.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.61 mm11.66 mm5.91 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807651601
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

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 29
Current: $9,722 NZD|Low: $1,318 NZD|High: $9,837 NZD|Avg: $4,467 NZD|-0.8%
Rare Carat
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 29, 2026
Retailer 6$1,321 NZD
Retailer 15$1,437 NZD
Retailer 12$1,924 NZD
Retailer 3$2,402 NZD
Retailer 2$2,438 NZD
Retailer 7$2,657 NZD
Retailer 11$3,122 NZD
Retailer 13$3,773 NZD
Retailer 10$3,775 NZD
Retailer 4$4,307 NZD
Retailer 16$4,971 NZD
Retailer 8$5,894 NZD
Retailer 9$6,024 NZD
Retailer 5$6,627 NZD
Retailer 14$7,597 NZD
Rare Carat$9,722 NZD

30 data points across 16 retailers

14 retailers$1,321 NZD to $7,597 NZD

A
Cheapest Retailer
-
$1,321 NZD
$742 USD
A
Retailer 2
-
$1,437 NZD
$807 USD
View
A
Retailer 3
-
$1,924 NZD
£851 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
$2,402 NZD
$1,349 USD
View
A
Retailer 5
-
$2,438 NZD
€1,304 EUR
View
A
Retailer 6
-
$3,122 NZD
A$2,698 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$3,773 NZD
$2,119 USD
View
B+
Retailer 8
-
$3,775 NZD
$2,120 USD
View
B+
Retailer 9
-
$4,307 NZD
$2,419 USD
View
B+
Retailer 10
-
$4,971 NZD
$2,792 USD
View
B+
Retailer 11
-
$6,024 NZD
£2,664 GBP
View
B
Retailer 12
-
$6,627 NZD
SGD 5,030 SGD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$7,597 NZD
$4,267 USD
View
Most Expensive
B
Rare Carat
LGRD50-85109 · Oct 18
$9,722 NZD
$5,460 USD
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from $1,321 NZDSave up to $6,276 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
5.91ct Round
$1,321 NZD